• The front shows the chain reaction of a ball as it bounces back and forth down the front of the kit. On the side, there is a little window that shows the lego parts that come with the kit.

Klutz: LEGO Chain Reaction by Pat Murphy

$ 29.99

LEGO Chain Reactions is packed full of ideas, instructions, and inspiration for 10 LEGO machines that spin, swing, pivot, roll, lift, and drop. Each machine alone is awesome, but put them together and you get incredible chain reactions. Then, combine...

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