Eureka 3D Vip - Gold - Sliding Six Brothers Kongming Lock

A masterpiece by Johoson Zhao from China. With over ten years of experience Johoson is a seasoned professional with a passion fordesigning toys and puzzle-like items. He has designed numerous classic puzzles that have sold well worldwide. This 6-piece shiftable Kongming Lock is an upgraded version of his 4-piece Kongming Lock which had a medium difficulty level. Although this new design uses similar core principles its difficulty level has been significantly enhanced. Both assembling and disassembling this lock will challenge your patience and spatial reasoning skills. Even when following the instruction manual closely. Undoubtedly a puzzle with an extremely high level of difficulty. FYI: 'Kongming Lock' meaning 'Chinese Puzzle' refers to Chinese military strategist Zhuge Liang. (aka Kongming / 220-280 AD) - 6 pieces made of padauk walnut and maple - Gift box with magnetic closure Warning! Not suitable for children under 36 months.