Make five awesome machines and learn about the physics of force, motion, and energy
Construct a rubber band-powered race car that zooms across the floor
Build a catapult and launch objects through the air
Set up a launching device that propels a motorcycle across the floor at the push of a lever
Build a balancing dragonfly model and a wind-activated sculpture to experiment with forces
A 32-page manual guides your model building and experiments with step-by-step illustrated instructions
Description
While learning about belt drives, wheels, and tank treads. A battery-powered motor box powers the models. Construct a dune racer with tank treads that rambles over rough terrain. Make a four-wheel-drive A.T.V. with a belt drive and high-grip tires. Build a scrambling stair-walking machine. Set up a fun conveyer belt and make models of a belt sander and bandsaw. Assemble a snow scooter with a three-gear tread. In addition, construct models of a snowcat plow and futuristic truck. A 28-page manual guides your model building and experiments with step-by-step illustrated instructions.
