3D Wooden Cube Brain Teaser Puzzle

★Cultural & Origins: Kongming lock is a traditional Chinese intellectual puzzle toy, also named Luban lock. The concave and convex parts inside the three-dimensional interpolation toy mesh perfectly.★Suitable for All Ages: With the recreational function, the wooden cube puzzles are suitable for all ages. Such as office workers,children and the old.★Benefits: If you order the wooden cube puzzles, it will be a great opportunity for parents and children interact together which can enhance closeness. Moreover, it can challenge your mind, patience and help develop the intellect.Perfect for IQ development and imagination.★Great Variety in Designs: Kongming locks come in different shapes and sizes, with different internal structures. 6 different designs, 6 different fun.★High Material: Excellent selection of natural wood, wear-resistant and durable,and use environmental protection wood lacquer, non-toxic and odourless, smooth and resilient.