Wooden Adult High Difficulty Brain Burning Irregular Puzzle(Dark Khaki)

1. The logs are full of natural flavor, deducting agile graphics
2. There is no exactly the same piece, which increases the difficulty of the challenge
3. Application: Adult
4. Material: wood
5. Ability training: use hands and brains, puzzle puzzles, logical thinking, imagination
6. Size: about 15x15cm
7. Weight: about 100g