No batteries? Correct! Build 8 sun-powered robots including a crawling bug, a somersaulting armadillo, a roaring dino, a tank, drummer, and more with this cool kit. The 44-page full-color manual shows you how, while offering fun facts and info about solar tech. What other solar-powered inventions will you dream up?
From Thames & Kosmos, for ages 6-12 yrs.