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$29.99

LEGO: CHAIN REACTIONS

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Build 10 simple machines that can be combined to make a Rube Goldberg-style chain reaction. Configure the modules in different combinations for all-new results. Use the included LEGO pieces in conjunction with your own collection to build the contraptions, plus record your experiments in the pages of the book!

Book Trailer
Machine #1: Quintopple
Machine #5: Board Bouncer

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