Push the cart and eject the steel ball from the spring-loaded barrel. The ball falls back into the barrel of the moving car, demonstrating that the forward motion of the ball is the same as the vehicle from which it was ejected. Comes with a steel ball, release pin, and cord. The barrel permits two different heights of ball flight. Includes activity guide.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov