Title from container. "Includes 9 bottom-exit cubes, 18 single-exit cubes, 9 double-exit cubes, 14 marbles, 1 instruction booklet"--Container. "Not compatible with original Q-Ba-Maze"--Container. "Q-Ba-Maze is not an ordinary marble run. The unique cube design and sliding side connections allow your marble maze to take on surprising shapes--from a twisting tower to a graceful butterfly. Plus, the precision engineering of the double exit cubes leaves everyone wondering, 'Which way will the marbles go?'"--Container. "Starter box Cool Colors"--Container.