Brain Teasers Wooden and Metal Puzzles 21Pcs Unlock Interlock 3D Brain Puzzle Games IQ Test Toys Brain Teaser Toy for Kids Adults

BRAIN TEASER PUZZLES ?3D brain puzzle ?Made by high quality beech wood and 4.5 stainless steel ?Easy to disassemble and difficult to assemble ?Train your brain, develop your mind, stimulate creativity and challenge patience. ?Relieve the pressure and pass the boring time ?Keep you or your child away from cell phones or other electronic devices. Cautions: 1.Children must be used it under the adult's tutelage. 2.Do not force decomposition or splicing. 3.Do not drop them on the floor or the desk. 4.Do not keep the toy in the mouth to prevent children devour small parts in the toy. Package Include: 16 x Metal Puzzle 5 x Wooden 3D Puzzle