6 Pcs 3D Wooden Cube Brain Teaser Puzzle, 3D Handmade Brain Teaser Intellectual Educational Toys

Specifications: Name: Kongming lock/Luban lock Material: Wood Total Weight: 0.65KG Box Package Size: 13.4 x 8.9 x 3.3 inch Single Size: 2.85 x 2.85 x 2.85inch Contents: 6x Puzzles, 6 Style Description: 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. Kongming locks come in different shapes and sizes, with different internal structures. 6 different designs, 6 different fun. Not only can improve kids' intelligence, improve proble-solving ability, but also relieve pressure, relax mood and gain pleasure With the recreational function, the wooden cube puzzles are suitable for all ages. Such as office workers,children and the old.