Description
Impress your class with a classic, yet memorable demonstration of Newton’s first law. Pull—then release—the spring to watch the small metal sheet fly out as the ball remains undisturbed. Measures 5-1/2″ H. Includes instructions.
Impress your class with a classic, yet memorable demonstration of Newton’s first law. Pull—then release—the spring to watch the small metal sheet fly out as the ball remains undisturbed. Measures 5-1/2″ H. Includes instructions.