Put an end to runaway marbles! These colorful marble catchers neatly collect your marbles at the bottom of your Q-BA-MAZE builds so you are able to quickly start the fun all over again, leading to rapid reloading and quick cleanup. Set of four includes one red, one blue, one yellow and one green Marble Catcher. Compatible with all Q-BA-MAZE 2.0 sets. Choking hazard Imported Material & Care Plastic Spot clean only