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• The Unofficial LEGO Technic Builder's Guide

  

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• Lego Crazy Action Contraptions Kit by Klutz

  

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• LEGO Technic Power Function Accessory box (8293)

  

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• The LEGO Technic Idea Book: Fantastic Contraptions

  

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• LEGO Bricks & More LEGO® Wheels 6118

  

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• Lego Parts: Technic Replacement Gear Pack for Set #10178 and more

  

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