There is a SUPER difficult side with 12 columns of numbers. There are over 248,000 possible permutations with 1 possible solution.
A hard level 5 puzzle. The flip side has 6 columns of numbers. It is still quite challenging (level 4) with over 7700 permutations with only 1 possible solution.
The numbers are all deeply laser engraved into the puzzle. Woods used are rubberwood for the base, and cherry and maple wood for the rings. This is a beautiful puzzle that displays well. Made in our Florida shop.
Dimensions: 6" x 6" x 2.25"
Level of Difficulty: 5