Lego Crazy Action Contraptions Book

LEGO Crazy Action Contraptions is a brand-new book of brand new, high-performance projects. From the Supercharged Speedster to the Squeezclaw Grabber to the Wall Rocket Racer - all the contraptions spin, stretch, speed, or spring into action. And all of them are totally buildable thanks to super-clear instruction and step-by-step diagrams.