$25 to $50

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-...

Begin a lifetime of scientific investigation and understanding with 29 fun experiments in five key areas: nature, physics, chemistry, air, and wate...

Unleash your inner cyborg with the Mega Cyborg Hydro Blaster! This buildable, handheld water blaster and claw allows you to explore the world of hy...

Blast off into hours of active play with the NASA Collection by Stomp Rocket! Ignite your cosmic curiosity with 3 iconic spacecrafts - SLS Rocket, ...

Experience the future of transportation with RoboRails! This compact robot uses a fast-moving internal gyroscope and clever ball-bearing weights to...