Learning Resources Gears! Gears! Gears! Machines In Motion

The Learning Resources Gears! Gears! Gears! Machines In Motion is a set of 100 Gears pieces, including special parts such as propellers, wrecking ball, chains, pulleys, wheels, and axles. Using the included instructions, kids can build their own versions of numerous different interactive machines and vehicles, many of which incorporate special parts including a wrecking ball, chains, pulleys, and wheels.