Klutz LEGO Chain Reactions Kit for $10

This chain reaction kit is on sale at Amazon for just $10 right now. It has parts and instructions to build a bunch of different Rube Goldbergian machines.

Design and build 10 amazing moving machines – teach your bricks new tricks. Comes with 80 page instructions, 33 LEGO pieces, instructions for 10 modules, 6 plastic balls, string, paper ramps and other components.

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