8-9 years

62 LEGO elements including axles, kinetics, and cranks, in this part craft/part builder set! Build 8 physics-driven bot creatures, using LEGO Techn...

Looking for a fun and educational activity about solar power? Future engineers will be impressed as they construct this sleek, compact race car - i...

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

Finally, an adorable robot! When kids assemble the 172 pieces, they won't realize they're learning about gears, motors, and sound sensors. They wil...