Quick view SolarBots 8-in-1 Solar Robot Kit $26.95 Build unique robots that are powered by the sun — batteries not required! Using a compact solar panel, these cool little bots...
Quick view Gears! Gears! Gears!® Machines in Motion $44.99 These machines really move! With the Gears! Gears! Gears! Machines in Motion from Learning Resources, kids engineer their own...