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The LEGO Technic Idea Book: Simple Machines by Yoshihito Isogawa (2010, Trade... 9781593272777 | eBay
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LEGO Technic Non-Electric Models: Clever Contraptions: Isogawa, Yoshihito: 9781718501706: Amazon.com: Books
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The LEGO BOOST Idea Book | Penguin Random House Higher Education
