SODIAL(R) Plastic Cubic Money Maze Bank Saving Coin Collection Case Box 3D Puzzle (Green) The Money Maze bank is a great combination of a challenging puzzle and an intriguing bank. It's easy to make a deposit ... but challenge is waiting for you when you try to make a withdrawal! Drop coins or bills through the slot on the top. In order to access your cash, you must solve the puzzle by maneuvering the steel ball through the maze. The compartment inside is perfect for hiding a small gift too. Place your gift inside and force the recipient to solve the puzzle in order to retrieve it!