Thames & Kosmos Gumball Machine Maker Super Stunts & Tricks

Build your own gumball machine and watch physics come to life! Turn the handle to launch a gumball through pulleys, ramps, funnels, and more — then swap the track segments to invent new stunts. As your gumball rolls, bounces, and spins to the finish, you'll explore simple machines, force, motion, gravity, and energy transfer. Includes a starter supply of gumballs and 12 trial-and-error experiments that turn engineering setbacks into breakthroughs.