Age Range: > 3 years old
Style: Geometric Shape
Warning: DO NOT THROW
Puzzle Style: 3D
Puzzle Size: 6.8*6.8*6.8CM
Feature 1: This is suit for both children and adult.
Feature 2: A unique and special wooden brain teaser puzzle.
Feature 3: The lock may look simple, but it contains lots of mysteries.
Feature 4: It is usually easy to take apart and difficult to reassemble.
Feature 5: The ancient Chinese wisdom, old ancestral locks
Feature 6: its functions of mind-body relaxing, intelligence boosting