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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Featuring our 'natural' color
For children over 20 kg (45 lbs)
to watch it go speeding past the all the other toys
A small elastic is added on the board and will secure the feet on the board during the ride
Build the stackable bridges
SpringBots: 3-in-1 Spring-Powered Machines d2 Featuring our 'natural' colorBuild 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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