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Springbots: 3-in-1 Spring-powered Machines Jurassic World pool rings

Springbots: 3-in-1 Spring-powered Machines Jurassic World pool ringsBuild 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

SKU: 81553229033 · From condeoeiras.edu.pt

4.9
USD35.99 USD74.99

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Description

pool rings

a care checklist

sports teams and more

recycled materials

Here’s the twist

Springbots: 3-in-1 Spring-powered Machines Jurassic World pool ringsBuild 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

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