An essential piece of equipment for demonstrating that the forward velocity of a ball ejected vertically is the same as the forward velocity of the vehicle from which it was ejected. Includes a vertical spring-loaded barrel and a 1" diameter steel ball. The ejection mechanism has two settings that are controlled by a release pin and cord. Instructions are provided.
Working model representing the sun, earth, and moon and their relationships.
This glass Erlenmeyer mug makes an excellent gift!
Build your very own smart robot!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
This kit includes several different projects that demonstrate the power of magnets!
Learn Chemistry While Creating Sweet Treats