The LEGO Power Functions Idea Book, Volume 2: Cars and Contraptions

This second volume of The LEGO Power Functions Idea Book, Cars and Contraptions, 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 principle. You’ll learn to build four-wheel drive ...