Following on from Lego's incredibly successful Crazy Action Contraptions (9781591747697), children can make more amazing moving machines in Lego Chain Reactions!
We've included more than 100 LEGO elements with this construction kit. Not coincidentally, they're exactly the bunch of bricks you need to make all 16 Crazy Action Contraptions (but not all at the same time).
We selected these elements for their mechanicals flexibility, utility, and general awesomeness and then got the work building the best LEGO vehicles, launchers, noise-makers, gadgets, and games around.
Parents’ choice award winner
Includes every brick, gear & Axle you need to create 16 unique projects
Comes with 105 LEGO Bricks
Includes a 50 page instructional book with Klutz Certified crystal-clear instructions
1.5+ million copies sold
Recommended for children ages 7+
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