Marshmallow in the Microwave Experiment
This tasty edible science experiment explores what happens when you heat marshmallows. Your kids will love this delicious marshmallow in the microwave experiment.
Fun STEM activities for kids of all ages! Hands-on science, technology, engineering, and math projects with easy setups using everyday supplies.
This tasty edible science experiment explores what happens when you heat marshmallows. Your kids will love this delicious marshmallow in the microwave experiment.
Teaching preschoolers sometimes is like throwing a rock in the ocean. You have no clue how deep the ocean is because you can’t see where
Learn how to make fake snow that feels cool to the touch and won't melt inside the house! Your kids will love making snowballs and snowman while staying warm.
Your kids will love blowing pom poms through a LEGO maze that they create themselves. This is a great rainy day activity to keep the kids busy and entertained.
Learn how to play paper football with LEGO goal posts that your kids can easily build with LEGO blocks you probably already have at home.
This ice cube primary color mixing activity is a fun way to show preschoolers how primary colors mix and become new (secondary) colors!
These balloon-powered LEGO boats are so fun to design and create. Your kids will love watching the bubbles push the LEGO boat around the water!
The Ivory Soap Microwave Experiment is one of the coolest science experiments for kids. All you have to do is put ivory soap in the microwave and watch it grow!
This LEGO domino chain reaction STEM challenge is a simple and fun activity that will teach your kids how energy is stored, released, and transferred.
EXPLORE MORE
Our STEM activities combine science, technology, engineering, and math into engaging hands-on projects. Each activity builds problem-solving skills, encourages creative thinking, and makes learning feel like play. From building challenges to coding basics, there's something for every young innovator.
STEM stands for Science, Technology, Engineering, and Mathematics. Our STEM activities combine these subjects into fun, hands-on projects that build problem-solving skills.
We have STEM activities for kids ages 3 through 12+. Each activity includes age recommendations and ways to adjust difficulty for different skill levels.
Not at all! While some activities introduce basic coding concepts, most focus on building, engineering, and problem-solving with everyday materials — no computer required.