50+ STEM Activities for Kids using Household Items

Fun to make.. but they also provide a great STEAM activity for anyone learning about color theory. 

These are not your traditional Paper Plane in that you DO need scissors, tape and most importantly a straw, but they are a fun simple science activity. As you can easily turn this circle paper plane how to into an exploration…. the best thing about these planes however, is that they fly really well and in nice straight lines.. making them great for a game of catch (a bit like frisbees).

STEM activity and high flying fun using only paper and a paper clip!

This leak proof bag science experiment is sure to WOW your kids! All you need is two household supplies and you can do this water experiment with your kids too.

Make your own volcano with a twist - using an orange! The kids will have a blast and so will you!

These easy paper spinners are great fun for kids of all ages and all you need is paper and a paper clip.

How to make ‘fireworks’ in a jar! Cool science project kids can do at home.

Learn how to make rock candy at home with our easy rock candy recipe and tutorial! A delicious STEM activity for kids that combines science and sweets! Kids love this yummy experiment!

Do you have popsicle sticks around the house that you don’t know what to do with? Check out this fun popsicle stick catapult STEM project that you can do with your kids!

Take part in a super fun STEM activity using recyclables and other basic materials in this mystery bag STEM building challenge with free printable STEM challenge cards! Kids will receive a bag of mystery items and then use those materials to complete a design challenge.

Easy kitchen science experiment for kids: can you dissolve the eggshell of a raw egg?

Check out this apple DNA extraction lab experiment! It’s a great activity that older kids can use to learn all about the DNA process.

Kids will love this classic science experiment as they learn what types of food will sink or float! Includes a FREE science printable too!

Build your own Barometer with items from around the house and track weather changes!

Learn about wind power by making this simple DIY Kite.

Quick science experiment for us to do for our own colorful explosions using capillary action and water!

DIY Straw Rockets is a fun STEM activity that is fun for kids of all ages. Not only is it educational, but it's an easy project that is very approachable for the beginner crafter, and even younger kids who aren't in school yet!

Try this fun idea for teaching young children the importance of washing hands with soap.. For this simple science at home activity, all you need is a plate or dish, water, some grounded dry herbs/ spice.

This walking water experiment is the best way to work on color mixing and secondary colors.

Make a coat hanger catapult in less than 5 minutes! This is a cool DIY toy for kids and doubles as a STEM/STEAM activity.

Need a science experiment for kids that is perfect for indoor learning? Then check out this exploring ocean layers science activity for kids!

Create a rain cloud in a jar using shaving cream, food coloring and water!

Make a real working heart model! Learn how blood pumps with at home items.

This activity is great for STEM practice, practicing fine motor skills and more. Young children will love using droppers and watching as the sugar cubes change color. They can then use the colored sugar cubes to build towers and make letters and shapes as they do this cool science project.

STEM challenge: Can you clean a penny with ketchup? Find out and get the science behind how it works!

You can turn milk into plastic in literally minutes with only milk and vinegar – and it is awesome.

This simple space activity is great to do with kids of all ages. Why not get them to make their own rocket and then experiment with how far they can get it to go!

This SUPER SIMPLE coding game for kids is east to set up and requires no prep. Use it to introduce kids to coding and to teach basic coding skills.

Fishing with a magnet is a fun magnetic fishing game and science activity for children.

Build a structure tall and strong- strong enough to hold a character on top without breaking!

Have kids build to the moon using only a few simple materials!

These car STEM experiments are an excellent way to introduce your kids to the wonders of physics.

Bridge building STEM challenge for kids: design a bridge that can hold a can of food. This simple activity leaves lots of room for creative design and experimentation.

Now how does this chemical reaction create art? We experimented to see if we could use it to do some fizzy painting.

An astronaut themed activity with fine motor skill exploration.

A fun, colorful science experiment your child will love!

Give your kids this fun opened challenge that will stretch their creative thinking and problem solving skills.

Teach kids the basics of engineering through Building Marshmallow Towers and shapes with toothpicks, marshmallows and a free printable.

Sidewalk paint rockets, colored carnations, fizzy water, bobbing raisins, balloon rockets and more! This collection of easy science experiments for kids is a great way to spark curiosity and creativity.

How to ‘magically flip’ drawings using refraction of light. Fun art meets science activity for kids.

Learn how to change the density of water with this interesting experiment.

This heat transfer STEAM activity explores conduction, convection, and radiation as well as physical change and ends with tasty popcorn!!

Learn coding basics with Legos! Simple activities to introduce coding to your kids.

Water sensory play, motor skills, and science with a fun activity that is super easy to put together with things you probably already have at home.

Here is another simple science experiment you can do at home with little supplies: pick up ice with rope! So cool!

Do this simple floating “eggsperiment” with your young kids to explain water density and add a little science “magic” to your day! 

What will make ice melt faster. This is a simple science experiment to do with items you likely already have in your kitchen.

This shaving cream rain clouds activity is a fun and easy way to teach children how it rains. Kids will love the magical wow factor and YOU’LL love the easy prep!

Looking for a fun STEM activity for the kids? Why not show them how to make these easy Borax crystal flowers.

Tips for turning kitchen compost scraps into pretty spring greens.

Explore color and sound with these quick & easy ice activities for kids! 

Combine botany and art with these homemade eco prints for paper!

How to make an easy, upcycled catapult! Fun physics for kids. Choose your own projectile….

Easy DIY balance scales for younger kids to explore weight and gravity concepts through play.