The LEGO Power Functions Idea Book
1, Machines and MechanismsBook - 2016
"A compilation of small projects to build with LEGO Technic parts, including gears, motors, gadgets, and other moving elements. Contains step-by-step building instructions for rack-and-pinion steering systems, sliding doors, grasping claws, and ball-shooting devices. Explores principles of simple machines, gearing, and power translation"-- Provided by publisher.