Join your kids for a STEM car race. Here you'll find everything you need to engage your young builders in an educational STEM activity using science, engineering, and LEGO building to create a race car. Start your creative engines!
Balloon Rockets - I've done this in several science camps I've conducted. Kids have fun with it. But, when the balloon deflates it may fall off the straw because it's surface area changes - another good thing to show and explain to kids.