KAILIMENG 3D Molecule Model Brain Teaser Wooden Puzzle for Kids and Adults 3 Inches

An educational molecule model and can be a desk decoration. Easy to take apart and difficult to reassemble. Use your brain, exercise your patience, is unable to untie the knot, but as long as the master of the structure, is sure to solve. Caution 1.Children under the age of 3 should play this toy under the supervision of an adult. 2.Don't use it if there is any defects. 3.Don't keep the toy in the mouth to prevent children devour small parts in the toy. product size: 3 inches * 3 inches * 3 inches