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the racecar book build and race mousetrap



The Racecar Book: Build And Race Mousetrap Cars, Dragsters, Tri-can Haulers & More - Bobby Mercer

A project book for young readers with a need for speed, this work provides instruction on 25 easy-to-construct racecars that can be driven both indoors and out. They will learn how to use mousetraps, rubber bands, chemical reactions, gravity,......

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11.99 USD
XSeller keywords: proje, experiments, nature