Luban Lock Brain Teaser Puzzle Toy for Kids and Adults, 10-Level Difficulty Kongming Lock

Brain Teaser: Challenges problem-solving skills and logical thinking for both children and adults.

Difficulty Levels: Features a 10-level difficulty rating, including intricate Kongming lock designs.

Stress Relief: Provides a engaging and calming activity to help reduce stress and improve focus.

Durable Construction: Made from high-quality, long-lasting materials for extended play.

Educational Toy: Enhances cognitive abilities, patience, and fine motor skills through interactive play.