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Teach your bricks new tricks! This all-new book will blow the mind of anyone who enjoyed playing Mouse Trap or setting off a row of dominoes. To turn bricks from kids' own LEGO® collection into ball-moving machines, all they need is LEGO® Chain Reactions along with the cardstock ramps and other punch-out parts, plastic LEGO® balls, and 33 essential, hard-to-find LEGO® pieces packed inside.
Comes with: 80-page book of instructions, 33 LEGO® pieces, instructions for 10 modules, 6 plastic balls, string, paper ramps and other components.