This puzzle has 29 pieces, the largest number on this website. Mountains has only one solution, making it one of the most difficult puzzles made by Puzzle Mist.
- red alder, mahogany, and black walnut wood
- 29 pieces
- 1 solution
- 5.75″ x 4.25″ (14cm x 11cm)
- difficulty level: 9 out of 10