rubber

  1. bingbing88

    Rubber Band Engineer

    Rubber Band Engineer: All-Ballistic Pocket Edition: From a Slingshot Rifle to a Mousetrap Catapult, Build 10 Guerrilla Gadgets from Household Hardware by Lance Akiyama English | February 19, 2019 | ISBN: 1631597388 | 128 pages | PDF | 16 Mb In itsnew pocket-size format with a rubber-band...
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