Approximate Dimensions: 5.75" x 4.75" x 0.75"
This classic wooden brain teaser puzzle was first created in the 1930's.
Great puzzle for a long travel here in a large version.
The object of the game is to slide the biggest square from the middle top, to the middle bottom.
It has 9 different solutions to choose from.The easiest solution can be done with 18 moves when the most difficult needs at least 101 moves.