Put the laws of motion to the test with our patented Q-BA-MAZE 2.0 Stunt Sets. The ingenious pieces interlock in endless configurations, while double-exit cubes keep you guessing which way the marbles will go. Starter Stunt Set features 56 cubes, 1 Speed Sprocket, 1 Roto Catcher, 15 steel marbles and instructions for plenty of super spinning action. Mega Stunt Set includes 108 cubes, 2 Cascade Stilts, 2 Coaster Tubes, 1 Marble Vortex, 1 Pivot Trampoline, 30 steel marbles and instructions. Send a flood of marbles through your maze with the Cascading Marble Refill, which includes 40 steel marbles and two blue Cascade Stilts.