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LEGO Gadgets (Klutz) & [Spiral-bound] Lego Chain Reactions 2 Books Collection Set : Editors of Klutz, Pat Murphy, LEGO Gadgets (Klutz) by Editors of Klutz, 978-1338219630, 1338219634, 9781338219630, Klutz: Lego Chain Reactions
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Amazon.com: LEGO Chain Reactions (Klutz Science/STEM Activity Kit), 9" Length x 1.06" Width x 10" Height : Pat Murphy and the Scientists of Klutz Labs: Everything Else
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Lego Chain Reactions: Design and Build Amazing Moving Machines by Pat Murphy and the Scientists of Klutz Labs
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