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
- 9 pieces
- 1 solutions
- 5.5″ x 4.5″ (14cm x 11cm)
- difficulty level: 9 out of 10