THAMES & KOSMOS

No batteries? Correct! Build 8 sun-powered robots including a crawling bug, a somersaulting armadillo, a roaring dino, a tank, drummer, and more wi...

No batteries? Correct! Build 6 water-powered vehicles including a jet boat, water gun, rocket car and more with this cool kit. The 32-page full-col...

This is one science experiment you can eat! Get ready for fun, as you measure, mix and boil sugar, watching it turn into hard candy. Kit includes 2...