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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Who would like a drink
Made in Portugal
No pinching and no tears with our updated Fidlock magnetic buckle system
Length 8 cm
SpringBots: 3-in-1 Spring-Powered Machines earlyreader Who would like a drinkBuild a motorized robot, race car, and countdown timer all that run without any batteries or electrical power! The secret behind these fascinating machines is a power source called a mainspring a spiral shaped spring that stores up energy when wound up by hand, and then converts that stored energy back into motion when it discharges. The mainspring inside the robot turns gears which enable it to march forward on two legs. The race car zooms across the
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