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SpringBots: 3-in-1 Spring-Powered Machines - STEM Experiment Kit

Name: Foothill Mercantile SpringBots: 3-in-1 Spring-Powered Machines - STEM Experiment Kit - SpringBots: 3-in-1 Spring-Powered Machines - STEM Experiment Kit
Brand: Foothill Mercantile
SKU: 40590329708591
Price: 37.99 USD
Availability: InStock

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$37.99

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Description

Build 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 ene...