Q-BA-MAZE - Spin Stunt Set
Add these stunts to any Q-BA-MAZE 2.0 marble runs you already have, and put the laws of motion to the test! Spin Stunts add-on set includes 1 Roto Catcher, 1 Speed Sprocket, and 10 Marbles. Cubes not included. Marbles are nickel plated steel balls. They are not magnets.