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Today, we're going to dive into a squeal worthy preschool science experiment known as Fizzy Colors Surprise, and it comes with a FREE downloadable preschool science lesson plan at the end of this post.

With just a few household ingredients, you'll dazzle your preschoolers in the name of chemistry. Each time they add a dash of vinegar to a muffin pan, a new surprise color will be revealed as the baking soda and vinegar reacts and reveals the food coloring below. So, let's gather our materials and dive into the fascinating world of chemistry!

*As an Amazon Associate I may get a small commission if you decide to purchase from my links. Thank you.

muffin pan with colorful bubbles rising in each cup, last cup has baking soda in it, child's hand holding a pipette with white vinegar in it

Prepare Your Fizzy Colors Science Experiment

By doing this experiment, we will introduce preschoolers to basic chemical reactions using baking soda and vinegar. Children will make predictions and observations, record their findings, and describe the changes they notice happening during the chemical reaction.

Standards listed in the lesson plan are from the California Preschool Science Standards.


  1. Muffin pan (I use 1 twelve cup muffin pan for 2-3 children.)
  2. Baking soda
  3. Food coloring (assorted colors, make sure it's liquid/not the gel kind)
  4. White Vinegar (cheapest at grocery stores)
  5. Droppers or pipettes (optional but these plastic ones are our favorites)
  6. Spoons
  7. Safety goggles (optional but kids love a little dress up action)
  8. Observation recording sheet included without watermark in the downloadable lesson plan
printable observation recording sheet for free science lesson plan for preschoolers

Prepare for the experiment:

  1. Place your muffin pan(s) on the tables.
  2. In each cup of the muffin pan add a few drops of different food coloring. You can even mix 2 colors like red and blue to reveal purple.
  3. Using your spoon, scoop enough baking soda to cover up the color droplets in each pan
  4. Fill a separate container with the white vinegar. You can even cut the white vinegar with some water if you're worried you won't have enough. You really don't need a lot to create this reaction!
  5. Place spoons/pipettes nearby, one for each child.

Watch this video to see how easy it all is!

Fizzing Colors Surprise! A Preschool Science Lesson:

Introduction Phase

  1. Introduce the supplies: baking soda, vinegar, food coloring, pipettes, and muffin pans by asking students if they know what they are and whether they have used them before.
  2. Share that today we have muffin pans with food coloring and baking soda, and our job as the scientist will be to add small amounts of white vinegar to each muffin pan then observe what happens.
  3. Ask the children what they predict will happen if you add vinegar to a muffin pan cup.
    • Explain that a scientific prediction is called a hypothesis and that a hypothesis doesn't have to be right. It is just a guess we have now that is based on what information we already have.
    • List or chart the children's predictions to circle back to at the end of the lesson.
  4. Explain expectations - we know kids can go ham, so let's set some rules first!
    • Show kids how to use a pipette or spoon to gather vinegar, and ask them where it goes (only in the muffin pan).
    • Determine how many muffin pan cups each child will be allowed to do, especially if they're sharing a larger pan between 2-3 kids.
    • Decide whether or not you'll be allowing them to touch the mixture formed and be clear that nothing goes in their mouths (although all these items are used in baking, so if it accidentally happens, you're in the clear!)

Experiment Phase

  1. Begin the experiment:
    • Provide each child with a dropper or pipette and ask them to fill it with vinegar from the container.
    • Instruct them to slowly squeeze the vinegar onto the baking soda and food coloring mixture, observing the fascinating reaction.
    • Pause for children to share what happened with their peers. Kids will observe a fizzing chemical reaction between the baking soda and the vinegar as they add in more vinegar, and the fizzing will be the color of whatever food coloring was below. This will be an exciting revelation!
    • Continue to add vinegar to the number of allotted muffin cups.
  2. Observing and discussing:
    • Encourage children to describe what they see, hear, and smell during the experiment.
    • Discuss the cause and effect relationship between the baking soda, vinegar, and the resulting fizzing reaction.
    • Prompt observational questions such as: What happens when we mix the vinegar with the baking soda? What happens when you add just a little vinegar? What happens when you add more vinegar? What colors do you see?

Results and Conclusions

  1. Complete the observation sheet included in the lesson plan, so children can draw their results.
  2. Review the results and previous hypotheses. Did any of them come true?
  3. Explain that a chemical reaction is when two things combine and form a new substance. In this experiment the children took a liquid (vinegar) and a solid (baking soda), and combined them to make a new substance called carbon dioxide gas.
children pipetting white vinegar into baking soda and revealing colors underneath

Download Your Free Preschool Science Lesson Plan:

The Fizzy Colors Surprise experiment is an excellent opportunity for preschoolers to engage in scientific inquiry while having a blast with colors and textures (much like our most popular free STEM lesson plan The Floor Is Lava!). Through this hands-on experience, children develop their observation skills, make predictions, and have fun.

Remember, the most important part is to foster a sense of wonder and curiosity, so be sure to have fun and encourage open-ended discussions throughout the experiment.

Safety Note: Although this experiment is safe when conducted with adult supervision, please remind children not to ingest any of the materials used. Also, wearing safety goggles can add an extra layer of protection for their eyes.

So, gather your materials, put on your scientist hats, and let the fizzy colors surprise unfold! Happy experimenting!

samples of 3 subtraction fact fluency challenges, level 1 subtraction within 10, level 2 subtraction within 20, level 3 subtraction within 30

Children are building subtraction fact fluency in kindergarten and first grade. This means they need to know and practice their subtracts "facts" quickly. How can we motivate children to practice their subtraction facts? I can tell you, it's definitely not with a subtraction facts worksheet. Just the thought makes me cringe!

Success comes through playing games like these Subtract and Stack Challenges. I've made 5 different sets of challenges that cover subtractions facts in three ranges:

*As an amazon affiliate I may receive a teensy commission if you buy something from one of the links in this post, at no additional cost to you. Thank you.

What is the definition of subtraction fact fluency?

To get to the nitty gritty, subtraction facts to 10 are any equation where something is subtracted from a number 10 or lower.

Subtraction facts to 20 are anytime a number is subtracted from 20 and the difference is a 1 digit number.

So technically, 20-5= 15 is not a subtraction fact, but 20-15=5 is a subtraction fact!

What does subtraction fact fluency mean?

Fluency is the ability to perform an action quickly, almost to the point of automaticity. Subtraction fact fluency is another way to say the ability to do subtraction problems quickly.

The word fluency also shows up in the common core math standards such as in this first grade standard you'll see printed on the stacking challenges:

"1.OA.6 Add and subtract within 20 demonstrating fluency for subtraction within 10."

As children do more and more fun subtraction challenges, they build their fact fluency!

Subtraction Fact Fluency Cup Stacking Challenges to print and play!

We all love a good print and play activity, and these subtraction stacking cups are the cream of the crop.

  1. Print the subtraction fluency stacking challenges (and ANSWER KEYS) at the end of this post.
  2. Laminate, only if you want.
  3. Grab 40 plastic/paper cups and write the numbers corresponding with each set. We love this set of 50 paper cups because they're sturdy and easy to write on. I've used these for years in the classroom, and they're still in fab shape.

If you've already purchased my Addition Stacking cups activities, then you can use those EXACT same cups for both challenges. Want them? When you check out there is an option to bundle the addition and subtraction fact fluency challenges (40 total) for a discount. It's too good!

Then you'll have 10 sets of ready-to-go addition and subtraction activities for kindergarten and first grade, that you have prepped in a total of 5 minutes maximum. Did I mention they include answer keys so kids can self check?

child self checking subtraction fact fluency using answer key
Self checking using the answer keys included

Download your Subtraction Cup Challenges Now!

The Addition Cup Stack builds fact fluency to 6, 10, and 20 through hands-on fun that no child can resist. Just print the 20 differentiated addition challenges for students of all abilities and grab your cups.

addition stacking cups numbers 3-10 stacked in three levels

*As an amazon affiliate I may receive a teensy commission if you buy something from one of the links in this post, at no additional cost to you. Thank you.

How to play Addition Cups Stack

It's all in the name. Add the numbers on the sheet, and then stack the cup with the matching number.

Kids will build many cup towers while mastering addition, in a ridiculously fun activity that they'll beg to play. Believe me, I had to pry my children off these cups in order to take the pictures in this post.

The 5 differentiated sets of stacking challenges are made to meet the needs of learners at varying levels. Choose from adding to 6, to 10, or to 20 for a super challenge.

laminated 5 sets of addition cups with all the colors of cups behind them

As a very loose guideline, this is how I use the cups:

Print out the 5 sets of challenges. Each will come with an answer key, so that kids can self check as they build, making this activity perfect for an independent math center.

To make the activity as kid run as possible, I laminated each set with its Answer Key on the back. So children will be able to self-check when they have completed a challenge.

Prepare the Addition Cups:

You know how sometimes you buy an activity and you just never use it because it's too complicated to do? This is the COMPLETE opposite. Easiest. Prep. Ever.

  1. Print the 5 sets of challenges. Optional: laminate them.
  2. Buy cups you can write on: Paper or plastic. To make all sets you'll need 36 cups.
  3. Write the numbers listed on the bottom of each paper on that set of cups.

These cups will be used for sets 1 and 2. Both sets work on sums to 6. (So for one child, you could use the same cups for sets 1 and 2.)

samples of 2 different challenges using the adding cups

These cups will be used for sets 3 and 4. Kids will make sums to 10 here. (Again, if you'd like to reduce waste, you can just use one set of cups for these.)

sums to 10 cups

These cups are for the final set 5, for practicing sums to 20.

sums to 20 adding cups stem challenge

To avoid the cups from getting mixed up in my classroom, I have written the numbers in different colored markers that match the set number on the challenge sheet. This way kids with the same numbers on their cups won't fight over whose is whose. -Phew!-

Let's get stacking

You'll get:

Peep that bonus to add the subtraction stacking cups for a discount when you bundle!

What are we learning?

Addition Cup Stack meets the common core standards for kindergarten and first grade.

Kindergarten Operations and Algebraic Thinking K.OA
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.

  1. Represent addition and subtraction with objects, fingers, mental
    images...or equations.
  2. Fluently add and subtract within 5.

First Grade Operations and Algebraic Thinking 1.OA
Represent and solve problems involving addition and subtraction

  1. Add and subtract within 20, demonstrating fluency for addition and
    subtraction within 10.
  2. Work with addition and subtraction equations.
child doing the sums to 6 cups
Besides adding, my kiddo is figuring out how to balance and stack the cups to match the picture as well as determining the orientation of the cups! Lots going on.

Besides the obvious, addition, kids are learning how to plan out how to move things in space otherwise called motor planning.

According to, motor planning is "the ability to plan out, organize, and carry out an action." In this case it is the ability to think about how to stack the cups to match each challenge. Will the cups need to be flipped? Right side up? How can we balance them on top of one another?

As adults this might seem really simple, but many young children benefit greatly from activities that involve fine motor planning, like this free printable STEM challenge.

Wanting to keep stacking cups?

Did you love this addition STEM challenge? I know I did!

I've finally finished the subtraction cups that use the SAME numbered cups we have already prepped. So you'll just need to print and be on your merry way. Does that count as a life hack?

level 1 subtraction fact fluency example with 6 paper cups stacked in a pyramid based on the challenge of subtraction problems set forth below it

The original cup stacking challenge that inspired addition cups is actually a reading activity that went viral this year (2023). So if you're working on sounding out CVC words (consonant vowel consonant words), then be sure to check out this activity as well. I even included cups for the digraphs sh and ch to keep your kiddos challenged.

Teach coding in kindergarten with this free to print candy corn stem challenge. It’s so simple, you can do this with your whole class- all you need is a bag of candy corn! Let’s go.

Before you print, you’ll need to understand how to teach coding in kindergarten and why on earth we’re going to use candy corn to do it. So read on.

kindergarten coding candy corn stem challenge

What is coding in kindergarten?

Can a 5 year old learn coding? Of course they can! Most of the coding we teach in kindergarten is called directional coding as opposed to block coding.

Directional coding is coding that is giving directions very simply, usually through a series of arrows. This can be done on the computer or in an unplugged coding activity, such as this one. 

In this hands-on candy corn STEM challenge, kids will be using the candy corn as arrows as they practice directional coding to get from start to finish. Then they’ll test out their code, to see if it works!

Why is coding important in kindergarten?

Coding may not be part of the learning standards now, but I know it will be! The world is shifting to be more and more technologically centered, and many future jobs or even hobbies may rely on the ability to code. 

When we start coding in kindergarten, we build these future skills that children will need. It's like learning a language; the earlier you begin, the more fluent you will be.

Some benefits of coding in kindergarten:

Unplugged coding activities are done without a computer, so many kids can participate at once, building skills they'll need on computers.

Avoid this common mistake kindergartners make while coding:

The most typical mistake I see when I am teaching directional coding to kindergartners is the addition of redundant codes. When you are coding, if your arrow points down, you will not need another arrow until you want to change directions.

You should never have two arrows in a row that are pointing the same way.

example of redundant vs correct coding in kindergarten

Candy Corn STEM Challenge Guide

Supplies needed for the Candy Corn STEM challenge:

Basics of coding to teach your kindergartners:

Directional coding is about using basic arrows to direct your token item where to go. Only use an arrow when you are changing directions.

The only directions for our candy corn to point are:

Remember: there is no diagonal pointing here!

Lesson Plan: Candy Corn Coding in Kindergarten


Code a path from start to finish, using candy corn. Test out the candy corn code by following it with a token of choice.


  1. Use your candy corn to make a path through the grid to get to the end. Candy corn can only point up, down, left, or right. Only use a candy corn to change directions.
  2. Place a candy corn in the first square to direct your token in the right direction. (This should be pointing right.)
  3. When you come to a block in the grid, you'll need to add a candy corn to code a new direction that avoids the block.
  4. Continue using candy corn arrows to avoid all objects and direct your token out of the path to the finish line.
  5. Once your code is complete, use your token and follow the code to see if it indeed, leads you out of the grid. This can be done with a partner as well.

Answer key/code:

There is more than one way to complete the coding challenge. Here are the photos of the possible correct answers. Remember to pin or bookmark this page so you can check the answers against your kiddos' or simply follow their path.

Want the bundle of 6 additional Candy Corn STEM Challenges?

If you feel especially passionate about kids coding, or even just want to make an independent center out of this activity, I've made a bundle of 6 black and white coding printables for you.

Each printable has 2 or more solutions so you'll have 12 additional directional coding activities to do with your kindergartners, along with your freebie.

Grab the bundle of 6 kindergarten printable coding worksheets for only $1.50. If you're looking for just the FREEBIE, just keep scrolling! : )

Just want the FREE Candy Corn STEM Challenge to teach coding in kindergarten? Here you go!

Looking for more candy corn and Halloween activities to do with your 4-6 year olds?

Check out our post of simply delightful Halloween activities for your leftover candy corn. Please follow and tag @forwardwithfun on social media if you share this activity!

addition halloween activities for kindergarten

The best kind of kindergarten STEM challenge is one that has children working together to find a solution to a fun, engaging problem using simple supplies that don't take lots of prep time. Enter The Floor is Lava STEM activity for kindergarteners. It's so simple, you can do it with preschoolers too!

Don't forget to download your free lesson plan pdf too, for easy access to this action-packed kindergarten STEM challenge.

*As an Amazon Associate, I may make a small commission based on any purchases you make through links on this page. Thank you.

kindergarten stem challenge

What is a STEM challenge anyway?

STEM stands for science, technology, engineering, and math. Sometimes you might see it as STEAM, in which the "a" stands for "Arts." In kindergarten, STEM challenges as kids to solve a problem in which there are multiple solutions and often children are required to build or make something with their hands. STEM challenges will require trial and error and combine elements of the 4 pillars: science, technology, engineering, math.

The Floor is Lava - The Best Kindergarten STEM challenge!

What's a better premise than The floor is lava? In this STEM challenge for kindergarteners, kids will work together to build a structure to save their bears (or any other small and numerous toy) from the lava.

Supplies you'll need:

My kids are already obsessed with this song, that could be used to really hook the kids into the premise.

Lesson plan for The Floor is Lava STEM challenge

Objective: kindergarten kids will work together to create a sturdy structure that holds as many bears as possible above the table top level using only the materials given to them.

Standards for math and science can be found below and are detailed in the free " target="_blank" rel="noreferrer noopener">downloadable lesson plan.

Download your STEM lesson plan now!

Step by step STEM Challenge directions:

Introduction and hook:

Part I:

the floor is lava part one of stem challenge for preschool and kindergarten
Use cups and popsicle sticks to save the bears!

Part II:

part two of the challenge index card addition
Add the index card and save even more bears!

Why should kindergarten include STEM challenges and STEM education?

Many of us adults wonder why STEM education is now all the rage, and others have never even heard of a STEM challenge before! There are so many incredible benefits of STEM challenges for young kids including:

stem education essential for young girls

Another benefit that doesn't seem right to just include as a bullet point is the benefit doing kindergarten STEM challenges with girls! Many women today were often told they'd be good at subjects stereotypically more "suitable for girls," like history and literature.

Very few women I knew entered the fields of math, engineering, and science, and those that did, were often treated by many like they didn't belong.

When we introduce the STEM subjects at a young age, kids will have a sense of ownership and belonging in these fields. All the kids benefit from these skills, but it is vital that our little girls also view themselves as scientists, mathematicians, and engineers when these fields have been historically male-dominated. The future is in our hands!

So don't wait to begin your kids' STEM education. Start with this kindergarten STEM challenge, and watch how quickly kids begin to think of themselves as engineers.

When introducing the concept of measurement to children, we always start with non standard measurement.

At the ages of 4-6, children understand the concept of short, long, taller, etc but they usually have no understanding of centimeters and inches, making those standard units of measurements too abstract for them.

So in preschool and kindergarten we introduce units of measurement that kids can really wrap their minds around. Usually those are regular household objects and toys.

Measuring is a practical skill that kids use when pouring water, comparing who had more cookies, determining who is taller, etc. In this activity kids delve in deeper to understand measurement of length and height with non standard units!

5 non standard measurement activities for kids

What's the difference between standard measurement and non standard measurement?

Though measuring length is usually the first thing that comes to mind when we think of measurement, there are actually multiple types of things we measure. Here are some of the standard units we use for these measurements:

Adults are used to pulling out a ruler, measuring cup, or using a scale to measure things. Usually we can visualize something close to a foot or a cup, if we needed to estimate. But children do not have that awareness yet, so instead teach them to measure with non-standard measurement unit.

These non-standard units can be anything but are best when the child selects them and are of high interest: shoes, lego pieces, stickers, race cars, etc. The one thing that they MUST be is uniform in size.

A child cannot measure their height in legos and markers! Instead one unit needs to be used at a time and lined up end to end, just as we would do when measuring with a ruler.

When do children begin to use standard measurement tools like rulers?

In the United States, the common core standards introduce standard measurement in second grade.

Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.

Before then, kids are expected to understand the concepts of measuring objects without using standard measurement tools, like in this first grade standard:

Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end.

5 Ridiculously Fun Non Standard Measurement Activities for kids

In each of these activities, kids use objects instead of rulers to measure length. There are a few rules for measuring precisely that kids should follow when lining up their nonstandard units:

1. Measuring Me in Household Objects

Measuring Me in non standard measurement units

To play "Measuring Me," you'll need blue tape and access to items around the home that are (mostly) uniform in length. Some ideas are shoes, blocks, markers, crayons, envelopes, etc.

  1. Have your child lie down and mark their height with a length of blue tape.
  2. Ask them to pick out one type of object of uniform size to use as their non standard unit of measurement: their shoes, markers, race cars, envelopes, crayons, etc.
  3. Have them line up the items one by one along their length of blue tape. It's important that they practice placing objects end to end without gaps to get an accurate measurement.
  4. As they reach the end of lining up the objects, have them count the total number. They are that many markers or race cars tall!
  5. Try again with different objects, and make predictions on whether or not it'll take more or less of that new unit of measurement to span the blue tape.

While you have the blue tape out, check out TAPE SHAPES!

2. Snacktivity- Measuring My Foot and Hand

The non standard measurement unit for this activity is my favorite... snacks!

You can choose anything that is uniform in size, and I recommend items that are easy to line up end to end like pretzel sticks. Of course, a classic and fun snack to use is goldfish.

  1. Trace your child's hand and foot on a piece of paper, and determine which one is longer.
  2. Provide your child multiple types of snacks to measure their hand and foot with. Optional: draw a straight line from the top of their foot/hand outlines down to the bottom for more accurate measuring.
  3. Line up those snacks and start measuring. How many goldfish long is your foot? Your hand?
Hands measured in pretzel units

There may be opportunities to talk about halves or beginnings of fractions in case snacks don't line up exactly. You could also round up or round down...

Want another fun math snacktivity? You'll love PUNCH MATH!

3. Snowman Heights in Unifix Cubes

This is one of my favorite math centers for the winter. Kids love to see the family of snowmen and compare their heights from shortest to tallest before measuring them in unifix cubes.

Snowman heights with non standard measurement unifix cubes

4. Measuring Veggies with Bean Rulers-

Student in this teacher's classroom measured and compared the lengths of different vegetables during a farming unit. Their teacher made them non standard bean rulers to practice measurement in a developmentally appropriate and fun fashion!

5. Crooked Paths Measurement- by Susan Jones Teaching

I love this simple yet genius measurement activity. Draw one straight line on a piece of paper and one crooked, anyway you choose. Have kids guess which is longer and then use paper clips to measure which one is longer.

susan Jones crooked paths activity

More Hands-on Learning for you...

Want a free week of hands-on learning activities that will wow your child? I'll send it right to you!

I think I traumatized one of my kindergarteners with my lesson plan on how to make a leprechaun trap.

Even 10 years later, his mother and I recount how she had to convince him leprechauns were not real, but he swore that they came to school and messed up our classroom. I'm so sorry, Dude! Just trying to do some engaging hands-on learning with the kiddos.
So be warned, that it might be a good idea to tell your child that maybe after all, it was you who tripped the trap after all.

*As an Amazon Affiliate I may make a small commission based on any items you purchase from links in this post, at no additional cost to you.

Let's make a leprechaun trap!

Before making the trap, you'll going to want to have a plan. What materials will you want to use? What object might lure a leprechaun into your trap?

This project involves so much learning from science to STEM to writing. In the first steps, kids will plan and prepare to build their leprechaun trap using my FREE How I'll Make My Leprechaun Trap printable.

how to make a leprechaun trap planning sheet

Download the printable and you're ready to make an easy leprechaun trap in minutes. If you don't have all the supplies listed on the left hand side, tell your child/students what you do have. You might want to show them the materials but not let them use them just yet.

Using the printable, have them draw a plan of what their trap will look like. What will they use to lure the leprechaun into the trap? Hopefully, something shiny!

For older kids who can already write, have them label their leprechaun trap plans so that the reader will know what materials they plan to use for which parts.

Ask your child/students, how will the leprechaun know to come to the trap. Will there be any signage to entice them to come inside?

Now let's build it!

Supplies you'll want to have handy:

st. patricks day stem supplies

While watching the kids build their leprechaun traps you might feel inclined to jump in and say, "Oh what about this? It would be cool if we..." but I encourage you to stop yourself and let this experiment be completely child led.

In the planning stages, we have provided the questions to provoke problem solving and the materials to inspire. This is the kids' part to be the engineers! Giving our children full creative freedom is hard, but it means that what they create is 100% their own.

Whenever I feel the urge to place value on my children's creation or make suggestions, I try to use the technique called "Say what you see." I just narrate what is happening. So instead of saying, "I love that little door you made," I might say, "You made a door out of paper." Sometimes I just try to step away and see what they'll come up with completely on their own!

These easy to make leprechaun traps will surely bring some excitement to your home or classroom. So now what do you do with them on St. Patrick's day?

child making a leprechaun trap

Setting and Springing your Leprechaun Traps

Leprechaun Trap ideas STEM freebie

The day before St. Patrick's day, I have the kids lay their traps wherever they think the leprechauns will be searching for gold and shiny goods. I make sure that they have their lure inside the trap.

Once I'm alone, I go and snag the gold coins/lures out of each trap.

This is the kicker, the piece de resistance, that probably really made my little student frightened: the footprints. Are you unsure of how to make little leprechaun footprints around your trap?
Easy! Get some green paint. Make a fist and paint the bottom side of your fist before gently stamping it across the surface of your choosing. Then dip your pointing finger in the green paint and create little toes over the foot print. Tada, adorable leprechaun footprints, and they couldn't have been made by an adults large feet!

So yeah, it's a good prank, but if your child or students are iffy on the subject, show them how you did it!!!

The kids will flip when they see the leprechauns have sprung their traps without being caught. This is usually when I leave a little note from the leprechauns saying something like, "You almost got me!" or "Try again next year!" If you're looking for some more St. Patricks Day STEM activities, especially for the classroom, check out The Stem Laboratory!

Leprechaun footprints with green paint

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