BIG Sale! New Toy Solar Car Building STEM Project/Science Kit

BIG Sale! New Wood Ball Run Building Kit - STEM/Science Project

Green Science Dynamo Torch Kit by 4M STEM. Build Your Own Hand-Powered Light.

DIY Electric RC Elevator Model Kit STEM Science Toy, Educational Project for Kid

BIG Sale! New Powered Ball Levitation Machine Building Kit -STEM/Science Project

National Geographic STEM Series Build Your Own Volcano Science Kit for Kids New

STEM FM Radio Kit Build Your Own Electronics Science Toy 8-16 Boys Girls, New US

Project MC2 Soda Can Robot Experiment Science Kit New Build Your Own Robot