Put the laws of motion to the test with the patented Q-Ba-Maze 2.0 Stunt Set. The ingenious pieces interlock in endless configurations, while double-exit cubes keep you guessing which way the marbles will go. Experiment to see what kind of zany, zigzagging action is possible! Includes 108 cubes, 2 cascade stilts, 2 coaster tubes, 1 marble vortex, 1 pivot trampoline, 2 universal connectors, 30 steel marbles and color instructions. For ages 6 and up.