$20 to $50

AIR-POWER TURBO RACER

Investigate physics using technology from medieval times! Build six sleek, updated models of catapults, trebuchets, and other medieval launchers. T...

Get in the ring for learning about hydraulics with this set of 2 boxing bots! Future engineers will enjoy the focused work of this challenging 327-...

Explore the science of making food with 52 delicious recipes designed for kids, from healthy homemade snacks to scrumptious main dishes and mind-bo...

Future engineers enjoy the focused work of this 180-piece cyber hand build that teaches them about mechanical assembly and hydraulics. Once built, ...

For candy loving scientists, here's a fun way to experiment with physics in action! A step-by-step illustrated instruction manual guides clever kid...

Get future engineers on track for STEM learning with this model train set of the future! They'll enjoy the focused work of building this 186-piece ...

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...