Introducing Q-BA-MAZE 2.0 Rails - the same Q-BA-MAZE you know and love with the exciting addition of rails that send your marbles zooming their way from cube to cube! The 7.5" long straight-away rails attach easily to any single or double exit cube. Connect the rails to each other for even longer rolling runs. The unique design of precision-engineered Q-BA-MAZE cubes allow for limitless configurations and unique building options while the rails add the traditional motion of a classic marble run. The set also includes 4 marble catchers to put an end to run-away marbles. Q-BA-MAZE rails are compatible with all Q-BA-MAZE 2.0 sets.Contents include: 40 Single-Exit Cubes, 20 Bottom-Exit Cubes, 20 Double-Exit Cubes, 10 Straight-Away Rails, 4 Marble Catchers, 20 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.