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20+ Free and Fun STEAM for Kids Activities You Can Do Right Now

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and low-prep! STEM activities for kids are just about our favorite thing to do around here. We love how you can incorporate nearly every subject into a STEM activity similar to homeschool unit studies. Today, we’re sharing our favorite STEM and STEAM (STEAM is just STEM with an art element added) activities that require just about zero prep.

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

No-Prep STEM Activities for Kids

It’s nice to know that there are no-prep STEAM for kids activities out there. Here are some of our very favorites:

20+ No-Prep STEAM for Kids Activity Ideas

While we love STEM activities that use weird supplies, sometimes we forget to go to the store. So today, try these no-prep STEM activities that you can do right now!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Let kids explore density on their own using kitchen ingredients! My kids absolutely love it when we do this one.

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Test the mechanical properties of aluminum foil in this super-simple STEM challenge!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Oobleck is always a fun science experiment and you probably have everything you need right now!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Have a water bottle and a ketchup packet? Try this diving fish science experiment!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

See if you can make a magnifying glass out of ice. 

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Gather some things from around the house and make this super-simple magnifying glass discovery tray!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Learn all about dice probability with the help of the Venn Diagram. 

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Boost engineering skills with the paper airplane building challenge!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

The classic egg drop STEM challenge is super-fun for kids of all ages!

elementary stem challenge cards
STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

With this play store math set-up, your kids will be begging to do math without realizing it!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

A cloud in a jar is the easiest thing every to make and is such a fun way to illustrate how clouds work. 

 
STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

More Low-Prep STEAM for Kids Activity Ideas

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Sort colors with this fun LEGO dumping color sort activity! I want to get my kids to do this, and then store everything by color!

Kids can learn how to design a coin in this fun hands-on STEAM activity learning how money is made.

This super-simple STEM activity challenges children to fill a shape with blocks with no gaps. This is a great way to encourage spacial awareness!

STEM extension worksheets

Fun fact: Girls are less likely to develop spatial awareness skills as they grow, possibly because we don’t buy toys like LEGOs and blocks as often for them. So buy those blocks for your girls!

I never would have thought to build with play dough and buttons, but they make the perfect ingredients for an engineering challenge!

Learn all about density in this vegetable-themed STEM challenge. 

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Challenge children to bend a pencil without breaking it in this fun science experiment!

Explore different 3D shapes with this fun ice-cream STEM challenge. All you need is paper!

All it takes is food coloring and water to learn about how ocean currents work. This project is so fascinating!

Build a tower using leftover boxes and kitchen containers. You’ll be amazed at the creations your kids come up with!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

These paper helicopters are so easy to make and will inspire STEM thinking in your kids.

The classic marshmallow tower engineering activity is the perfect way to use up those stale marshmallows.

Your kids will not believe that these contraptions made from paper and straws can really fly.

Boat-building challenges are always a good choice for STEM activities!

STEM activities and STEAM for kids are great ways to develop skills kids can use throughout life. These STEAM activities are easy to do and prep-free!

Use Duplo blocks to show preschoolers the value of money!

If you have Hexbugs, make a little LEGO maze for a quick STEM challenge!

elementary stem challenge cards

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