Mathnet : The Tower of Hanoi - Graphical and text versions of this puzzle. Includes Background and solutions. www.math.toronto.edu/mathnet/games/towers.html
Thinks.com - Tower of Hanoi - Includes graphical disks and pegs, drag and drop movement, instructions, timer and autosolver. Allows anything between 3 and 12 disks. thinks.com/java/hanoi/hanoi.htm
