Towers of Hanoi is a program based on the old Towers of Hanoi puzzle. The Discs have to be moved from the Left hand Dais to the Right hand Dais and this is done by dragging them with the Mouse. Only a top Disk can be moved; A larger Disc cannot be placed on a smaller Disc; Only one Disc at a time can be moved. The time taken to complete the task is recorded and the best time is displayed.