LEGO® CHAIN REACTIONS DESIGN AND BUILD AMAZING MOVING MACHINES.
Complete an ordinary task in an extraordinary way. Learn to build 10 LEGO® machines, then experiment to create a chain reaction. With a handful of basic bricks from your LEGO® collection, the only thing you’ll need is a little imagination. National Parenting Award LEGO, the LEGO logo, the Brick and Knob configurations and the Minifgure are trademarks of the LEGO Group. ©2014 The LEGO Group.