Gumball Machine Maker: Engineering Kit Sun and domino slide

and domino slide

You can sneak up on someone and swoop in to steal the ball

Easily mounted to any doorway with the adjustable clamp

plastic insert pieces

Gumball Machine Maker: Engineering Kit Sun and domino slideSuper sweet stunts! Build your own gumball machines and learn physics lessons in the process. A turn of a handle dispenses one gumball at a time out of the clear storage globe and down the track. The gumballs land in a collection cup and can easily and sanitarily be returned to the globe for another run. The track segments can be moved around on the base to create an almost limitless number of different gumball machines. As the gumballs roll down the