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Run, Jump, STOMP to see whose rocket flies higher with the special Dueling Launch Stand. 100% kid-powered™. No batteries required. Super easy, fas...

Build this Green Science - Magic Water Tap that dispenses a non-stop stream of water. This unique project makes the pipe seem to float in mid-air. ...

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 ...

Build six different air-and-water powered models Harness the power of air and water to make things move! Build water-rocket cars, jet-propelled boa...