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The LEGO Power Functions Idea Book, Volume 1: Machines and Mechanisms: Isogawa, Yoshihito: 9781593276881: Amazon.com: Books
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The LEGO Power Functions Idea Book, Volume 1 by Yoshihito Isogawa: 9781593276881 | PenguinRandomHouse.com: Books
The LEGO Power Functions Idea Book, Volume 1: Machines and Mechanisms: Isogawa, Yoshihito: 9781593276881: Amazon.com: Books