Spiral Spring Robot Science Kit
Young engineers will have a chance to build this 3 in 1 Spiral Spring Science Kit while learning about how kinetic force can be applied to everyday life objects. Discover the world of physics and how humans build wonderful machines out of simpler physics rules! Build a motorized robot, race car, and countdown timer — all that run without any batteries or electrical power! This STEM Toy provides many hands-on experiments about the inner workings of spring-powered devices while helping kids with their engineering skills. Box size: 10" x 13" x 3.1". Ages: 8 years+.