Patience Puzzle $17.99
Level: Very Difficult
Object: Remove Shaft
The oldest known puzzle design, probably of Chinese origin. Popular with 19th century sailors. (introduced 1984)
Very Difficult category designs are characterized by a large number of moves in the solution. Additionally, these designs can also have many 'false' moves that do not have anything to do with the solution. False moves must be undone before the correct solution can be followed. Concepts learned at other levels are combined in the very difficult level. Experience recommended.