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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 cars, adorable walking ´bots, steerable tanks, robotic inchworms, and cars that can follow the edge of a table!

Each model includes a list of required parts and colorful photographs that guide you through the build without the need for step-by-step instructions. As you build, you´ll explore the principles of gear systems, power translation, differentials, suspensions, and more.