This first volume of The LEGO Power Functions Idea Book,
Machines and Mechanisms, showcases small projects to build
with LEGO Technic gears, motors, gadgets, and other moving
elements. You'll find hundreds of clever, buildable mechanisms,
each one demonstrating a key building technique or mechanical
You'll learn to build sliding doors, grasping claws,
rack-and-pinion mechanisms, and ball-shooting... more...