Professor Puzzle - Grand Masters - Luban Lock Challenge [GRA]

The perfect puzzle for creating agile fingers and an agile mind, it is inspired by the Chinese legend of Luban, the Patron Saint of Chinese builders. Wishing to test the intelligence of his son, he drew upon traditional joinery techniques and created an interlocking puzzle for his son to solve it. After a restless night’s work, his son successfully solved the mystery of the puzzle, convincing his father of his great intellect.