Brain Teaser Puzzle Unlock Interlock Game Test Intellectual Disassembly Toy Unlock Features: And Kids Safe: The brain teasers puzzles are well constructed and. The quality is great and the are. Buy them as a, also works as a great fidget tool! does this keep you entertained but it's a great way to keep autistic people focused on something other than the uncontrollable around them. that the brain. Each puzzle has a separate of difficulty, Great gift set you give it to to stress him out. If you want something that stimulate mind as well as keep hands busy unlike the spinners & cubes. These brain busters have worked wonderfully. Small enough to carry in pocket & enough to keep busy for while. Test and minds with this cool yet brain teaser. These brain games are for passing, fidgeting, and avoiding gadgets and electronics. They’re a healthier way to practice focus and concentration. Can also be used for party games. Brain teaser puzzle toy originated from ancient China which called M-ing Lock. Wooden game with interesting logical thinking and for development of brain. gift - For every occasion! for Christmas gifts, office gifts, etc. brain teaser can take anywhere. The puzzles look,but contain lots of mysteries. They are easy to disassemble but difficult to . Train.It can make your brain sharper, intelligence, your mind and patience. Have parties.Take this set of brain teaser to with your, families or colleagues. These puzzles can get children away from phones or other device. Specification: Material: abs Size: about 3 cm Package List: 1x Puzzle Cautions: 1.Children must be used it under the adult's tutelage. 2.Do drop them on the floor or the desk. 3.Do play with them if there is any issue. 4.Do keep the toy in the mouth to children devour in the toy.