Cubes that keep you guessing and rails that go the distance really ramp up your marble run fun! The unique design of Q-BA-MAZE cubes allow for a limitless range of configuration options. The 7.5-inch straight-away rails connect easily to any cube or to each other to create tracks that send your marbles zigzagging through the maze of colorful cubes. Plus, the precision engineering of the double-exit cubes gets everyone wondering, "Which way will the marbles go?"Contents include: 36 Single-Exit Cubes, 18 Double-Exit Cubes, 8 L-Exit Cubes, 18 Bottom-Exit Cubes, 2 Quad-Exit Cubes, 4 Coaster Tubes, 4 Marble Catchers, 18 Straight-Away Rails, 30 Steel MarblesFor 1 or more playersAges 6 and upMade in ChinaBrand new condition in original packagingWipe clean with dry or damp clothWarning: Choking Hazard - Contains small parts not suitable for children under 3 years.