Klutz® LEGO® Crazy Action Contraptions

7 years & up. Spin, speed, stretch, or spring into action with brand new high-performance projects in the Klutz® book of LEGO® Crazy Action Contraptions by Doug Stillinger. Build a Super Charged Speedster, Wall Rocket Racer, Squeezeclaw Grabber, and more with clear instructions and step-by-step diagrams for insured success.

LEGO®, the LEGO® logo, and the Knob configuration are trademarks of the LEGO® Group. (C) 2008 the LEGO® Group. Produced by Klutz® under license from the LEGO® group.