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This is one of the Lego Crazy Action Contraptions' projects. A mechanical claw that kids can use to grab various objects (and practice those coordination skills…
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The LEGO Power Functions Idea Book, Volume 2: Cars and Contraptions : Isogawa, Yoshihito: Amazon.es: Libros
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The LEGO MINDSTORMS EV3 Idea Book : 181 Simple Machines and Clever Contraptions by Yoshihito Isogawa (2014, Hardcover) | Compra online en eBay
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lego crazy contraptions book - Comprar Juegos construcción Lego antiguos en todocoleccion - 315250618
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