With this Klutz LEGO Chain Reactions book in hand and a handful of basic bricks, the only other thing that LEGO fans will need is a little imagination.
- Step-by-step Klutz-clear instructions
- 10 machines that swing, bounce, spring & teach
- Form a custom chain reaction
- Age: 8 years & up
- Model no. KZ570330
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Klutz LEGO Chain Reactions KZ570330