Stem gumball machine maker

Build your own gumball machine with this science kit that's part marble run, Part roller coaster, Part pinball machine! Gumballs not included.Each segment of track teaches a different lesson in mechanical physics, exploring topics such as simple machines, force, motion, momentum, gravity, Newton's laws, energy transfer, and more.Track segments are modular and can be easily moved around to create an almost limitless number of different gumball machines.As they roll down the tracks, the gumballs perform cool stunts via a pulley lift, pendulum, funnel, trampoline, pinball launcher, domino slide, and more!The kit works with standard machine-size, 16-mm (5/8-inch) gumballsA parents' Choice silver award winnerSkill Level: Novice impeccable for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.