The Lego Power Functions Idea Book, Volume 1 by Yoshihito Isogawa (Paperback, 2015) for sale online | eBay
The LEGO Power Functions Idea Book, Vol. 1: Machines and Mechanisms (Lego Power Functions Idea Bk 1): Amazon.co.uk: Isogawa, Yoshhihito: 9781593276881: Books
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