Medium: SCI028000

From a Slingshot Rifle to a Mousetrap Catapult, Build 10 Guerrilla Gadgets from Household Hardware

$15.99 / Can$20.99 / £10.99

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Rubber Band Engineer: All-Ballistic Pocket Edition

Make 20 Awesome Ballistic Blasters with Ordinary Stuff

$24.99 / Can$32.99 / £16.99

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Launchers, Lobbers, and Rockets Engineer

The Book of Big, Bigger, and Epic Duct Tape Projects

$24.99 / Can$32.99 / £16.99

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Duct Tape Engineer

Build Slingshot Powered Rockets, Rubber Band Rifles, Unconventional Catapults, and More Guerrilla Gadgets from Household Hardware

$24.99 / Can$32.99 / £16.99

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Rubber Band Engineer