$50 to $75

Build your own adorable robotic pet hedgehog! With the 172 building pieces in this kit, you can assemble a real robot that looks like a cute hedgeh...

This astonishing wall-climbing robot has a motorized air suction system that enables it to walk vertically up and down perfectly smooth surfaces, l...

Do you ever wonder how bridges span huge distances and how skyscrapers stay standing? Structural engineers use physics and their knowledge of the p...

Learn basic programming skills while having fun with Andy, The Code & Play Robot. Andy is ready to program and play with right out of the box —...

Assemble this cutting-edge robotic arm from almost 300 plastic pieces, learning how each part comes together in its intricate mechanical design. Ju...

Explore hydraulics, mechanics, and robotics with a buildable, handheld water blaster and claw! Using over 180 plastic pieces, assemble this awesome...

Explore the future of transportation with RoboRails! This compact robot balances on a single wheel and glides along a monorail track thanks to its ...

Line up the circuitry graphics on the oversized pieces and snap them together to build a fully powered, large-scale, space-themed world. Follow the...

In this corner, hailing from the rough-and-tumble robotics lab: It’s Robo-Boxer! And in that corner, the wonder from Down Under: Put your mitts tog...

Build and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusemen...