While demonstrating how to disassemble and reassemble a Luban lock, Li Hao, an inheritor of Luban lock-making techniques in Tengzhou, Shandong province, shared the history of this traditional ...

The Luban lock, also known as Kongming lock, is a traditional Chinese folk educational toy with nine wooden slips. The concave and convex parts inside the three-dimensional toy mesh perfectly.

A Luban lock, also known as a Burr puzzle, is a typical Chinese mortise and tenon structure which is widely used in traditional Chinese architecture and furniture.

Students of a vocational school in Lanzhou, Southwest China’s Gansu province show a globe-shaped Luban lock made by themselves on November 24, 2016. The traditional Chinese puzzle is formed by ...