What student—or teacher—can resist the chance to experiment with Rocket Launchers, Sound Pipes, Drinking Birds, Dropper Poppers, and more? The 35 experiment

What student-- or teacher-- can resist the chance to experiment with Velocity Radar Guns, Running Parachutes, Super Solar Racer Cars, and more? The 30 experimen

What student-- or teacher-- can resist the chance to experiment with Velocity Radar Guns, Running Parachutes, Super Solar Racer Cars, and more? The 30 experimen

What student—or teacher—can resist the chance to experiment with Rocket Launchers, Drinking Birds, Dropper Poppers, Boomwhackers, Flying Pigs, and more? The

Provides instructions for making 75 contraptions that demonstrate friction, gravity, energy, motion, and other principles of physics and explains how to think l