STEM Activities for Preschoolers and Toddlers

Get 5 easy and fun science activities all about weather! Make a tornado in a bottle, make a sensory rain cloud, learn how the water cycle works, make lightning at home, and make a DIY rainbow anywhere.

These STEM experiments will thrill your kids and they will learn all about the world they live in.

Learn how we hear sounds through easy and fun activities that use household items. Make a balloon amplifier, watch rice dance, make your own echo, and more!

Can you clean a penny with ketchup? It's a good challenge for your child. Learn how to set up this experiment and the science behind it.

Make colored water walk, try ink chromatography, and more. Beautiful colors will get your kids excited about science.

Help your children learn about how the moon orbits around Earth, about tidal locking, and use cookies to follow the phases of the moon.

A step by step guide to teach your kids basics of coding that will serve them well, all using legos!

Teach your kids how flowers drink water while you dye beautiful flowers! This is a simple science experiment that is full of learning.

How to write secret messages with lemon juice! Your kids will love the mystery while they learn the science of how this writing disappears and reappears.

Did you know sensory STEM doesn't have to be messy? It can be simple and fun! Get 5 easy activities your kids will happily engage with.

Use a simple pulley system to make your own funicular train (a ski lift)! Cups, yarn, and a couple of straw and you have a fun physics lesson.

The heart is the perfect way to introduce kids to anatomy. Put together your own working model of the heart that actually pumps blood!

Make a lung model with your kids to demonstrate how we breathe. Kids love this because they can understand that they breathe and they love seeing it happen!

Turn an egg carton into a spine! This is a fun anatomy craft that lets your children really see how our spines move and support us.

How does our stomach turn food into fuel? Try this fun and easy experiment to show kids how our stomachs break down food. Walk through the scientific method as they try this hands-on science experiment.

Want to show your kids just how important sunscreen is? This easy art project is the perfect way to show them! Paint with sunscreen and watch what happens...

Teach your child how soap works and show the importance of good hygiene with a simple but amazing experiment.

Bring the sparkle of fireworks inside! Safely, of course. An easy chemistry experiment that will wow your kids, this STEM activity is great for toddlers and preschool. Plus get fun facts about fireworks!

Make a DIY catapult out of craft sticks! This is an easy engineering challenge that demonstrates kinetic and potential energy.

Learn about coding and build early skills with this fun screen-free craft! This is super simple and a great way to learn about binary.

A fun day at the pool can turn into amazing science experiments! You don't need anything special to teach your kids science by the pool.

Number sense is what helps kids succeed in math. Learn what it is and how to get your kids to love it with fun and easy games. (and printables!)

Making beautiful crystals at home is easier than you might think. Get 3 simple ways to create your own crystals (including rock candy!)

Every child should be their own superhero, and these straw shooters make it happen. Learn how to make this super easy, super fun STEAM craft.

This is a must-do for any dinosaur lover. Create a sensory dig that happens to be quite tasty!

These are silly tricks you can play on the mind with just your body. Wow your kids and learn about how we perceive our bodies in space.

Make your own personal garden out of a recycled 2-liter bottle! Learn how to make an easy and fun terrarium to grow plants anywhere.

Cause and effect is physics in action! And you get to create a fun celebration.

We know kids love slime, but do they know what slime is? Is it a solid? A liquid? Learn the science behind slime AND get super cool recipes to make at home!

Use your child's love of slime to learn about cold-blooded and warm-blooded animals! This has my secret to the easiest color-changing slime ever (seriously), and has tons of great facts about animals.

Tinker trays encourage creative problem solving. We took it up a notch by adding an element of mystery: Mystery Tinker Bags! Learn how they work an get the big list of tinker tray ideas.

This is a clean sensory activity (they exist!) Work on fine motor skills and giggle a lot with these cute monsters.

Did you know you can make a rocket out of a plastic Easter egg? Learn how to make this awesome STEM experiment.

Butterflies and Caterpillars are perfect for STEAM activities! Learn the life cycle, bust out of a cocoon, make chromatography butterflies and more with these simple but fun learning activities.

Encourage imaginary play and STEM learning with a working stethoscope! Use at home items to put together this fun device.

Boost number sense with a fun treasure hunt your kids will love!

Get marshmallow experiments, color mixing, and learn how to color celery. These are perfect introductory STEM experiments for toddlers!

Learn how to make plastic out of milk and vinegar, create a mess free volcano, and make a lava lamp sensory bottle!

Get over 100 recommendations for the best STEM books for preschoolers and toddlers.

Preschoolers need STEM. Not because they need the facts, not because they need to study hard. But because they need to know STEM is for them.

The scientific method teaches more than just how to create an experiment. There are real life lessons that apply to every day.

If you want your children to embrace STEM you have to stop saying you hate it. Parents need to step up.

Kids are born scientists! Get 7 ways to encourage that natural tendency.