Kinetic Contraptions: Build a Hovercraft, Airboat, and More with a Hobby Motor

Hobby motors—every workbench warrior has a few that have been pulled out of broken toys or rescued from old electronics kits. They’re cheap, available, and with Kinetic Contraptions, essential to build some ingenious moving creations. The two dozen contraptions found in this handy resource are assembled primarily from low-cost or recycled materials, batteries, and a single motor.
 
You’ll learn how to build vehicles that move across the land, over the sea, and through the air. Co…