40 STEM Activities for Kids

Activities for ages 4 and up.

STEM activities {Science Technology Engineering and Math} are all the buzz in education. Kids love finding out how things work through fun, hands-on projects and teachers love knowing that they’re preparing students for their techy future. For a little STEM inspiration, check out this awesome roundup of our 40 favorite STEM activities for kids.

P.S. Looking for some easy ways to add super cool, hands-on science to your classroom or home? Hop over and grab our super cool science kit!

40 Awesome STEM ActivitiesScience Projects

We love science so it’s hard to pick a favorite in this first category of STEM activities. First up, make exploding pop rockets.Pop Rockets. Awesome science experiment for kids!!.jpg

Pull together an easy water drop race. {What We Do All Day}
Create fireworks in a jar. {I Can Teach My Child}Fireworks-in-a-Jar-300x449

Blow up a batch of magic balloons.

Create a water cycle in a bag.

Create your own water cycle in a bag.

Make ordinary flowers glow in the dark. {Fun at Home with Kids}
Make raisins dance. {Coffee Cups and Crayons}Dancing-Raisins-Cool-Kids-Science-Experiment

And speaking of dancing, make gummy worms boogy.

Super cool kids science. Make worms dance!!

Test out this simple recipe for Oobleck. {STEM Mom}

Turn your name into crystals.

Super cool science for kids! Make crystal names!!
Pour a rainbow in a jar.Fun kids' science experiment. Make a rainbow in a jar. {Playdough to Plato}

Whip up a batch of Magic Aqua Sand. {Paging Fun Mums}

Make pipe cleaners mysteriously float.

Use just a couple common household ingredients to pour hot ice.

Hot Ice Kids Science Experiment
Build a giant sand volcano. {Growing a Jeweled Rose}sand 10

Grow plants from seeds.

Make clouds in the kitchen. {Modern Parents Messy Kids}

Create some magnetic slime. {Frugal Fun 4 Boys}magnetic-slime-1


Using STEM activities to prepare kids for the future requires that they experience technology too.

Let kids learn about technology by using it firsthand. Loan them your iPad or Kindle Fire.

Study the stars with the Star Walk app.

Build globby structures in World of Goo.

Computer Newsletter

Practice strategy by playing Blokus.

Explore pictures and data from NASA missions.

Design treehouses to ferris wheels with Simple Physics.

Practice math facts with Operation Math – a fast paced drill game.


Engineering projects are also an important part of STEM activities for kids. Make junk boats.

Junk BoatsDesign straw bridges.

Make a can mysteriously balance on its side. {Relief Teaching Ideas}

Race K’nex cars.

K'nex car racing. So cool!! {Playdough to Plato}Cut out this free balancing robot. {Buggy and Buddy}

Build simple {and FAST!} spinning tops. {I Can Teach My Child}Worlds-Best-Spinning-Top-500x853

Print free activity cards and throw together a portable LEGO kit. {Fun at Home with Kids}

Make a bottle water fountain. {Learn with Play at Home}

Build marble runs. My kids are CRAZY about these!!


To help kids build a solid foundation of math skills, STEM activities also incorporate math. Go on a shape hunt.Clever way to teach kids shapes. Take a shape hunt!! {Playdough to Plato}

Play a fun subtraction game. {Buggy and Buddy}

Print and play Place Value I Have, Who Has.

FREE I Have, Who Has Place Value Game

Practice math facts with a flower game. {Nurturestore}

Build shapes out of marshmallows and pretzels.Such a fun way to learn shapes! Marshmallow geometry. {Playdough to Plato}

Play a fun round of Loose Tooth Subtraction. {Heidi Songs}

Practice addition with some hands-on LEGO addition cards.

LEGO Addition Cards

Make a batch of Number Trail Mix.

Make Your Own Number Trail Mix!! {Playdough to Plato}Find 8 ways to make the number 9. {Kinder-Craze}

Teach kids doubles {3+3, 4+4, 5+5…} with a helpful flip chart. {Mrs. T’s First Grade Class}

Cut apart some hundred chart puzzles.

FREE Hundred Chart Puzzles. Great for number sense!

Play a round of Catapult Addition. {Relentlessly Fun Deceptively Educational}

Grab a ball for Add It Up! {Mom to 2 Posh Lil Divas}Add It Up Main

And finally, have fun with a round of Place Value Concentration.

FREE Place Value Concentration.

Even More STEM

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Malia Hollowell

Malia Hollowell

Malia is a National Board Certified elementary teacher turned stay at home mom to three young kids {5, 3 and 1}. She earned her Bachelor’s and Master’s in Education {go Stanford Cardinal!} and spent seven years teaching in a classroom before taking time off to raise her little ones.
Malia Hollowell

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  1. I love the tips, that’s so helpful for me in my daily life

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