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.