Cast Keyhole Level 4 - Heavy Duty Wall Mount Bracket for Secure Hanging | Perfect for Home, Office & Garage Organization

Hanayama cast puzzles are the world's finest brain teasers. The Keyhole is a high-quality, cast metal puzzle that is Mensa-level rated difficulty. The theme is "groove" which was devised by Finnish Vesa Timonen.

Level 4 of 6 difficulty