Description: Chinese classical wooden intelligence toy - Kong Ming Lock "Untie the Half Ring" A great challenge to your intelligence A fantastic item for Children gift to exercise their brain A good item for leisure time and relaxing, also a good decoration for your office desk This intelligence toy is an old and traditional Chinese intelligence game. The lock may look simple, but it contains lots of mysteries. Small parts not for children under 3 years Material: Wooden Size Chart: Diameter: Approx 6cm/2.36inch Package Includes: 1 Set Brain Teaser Puzzle Note: Due to the manual measurement, please allow 1-5mm differences in size
