Brain Teaser Puzzle 20Pcs Unlock Interlock Game IQ Test Wooden Toy 3D Unlock Interlock Puzzle Magic Ball Brain Teaser Toy Puzzles for Adults

Features: ●The puzzles look simple,but contain lots of mysteries. They are easy to disassemble but difficult to assemble. ●Train brains.It can make your brain sharper, develop intelligence, Challenge your mind and patience. ●Have parties.Take this set of brain teaser to share with your friends, families or colleagues. ●These puzzles can get children away from phones or other electric device. Package Include: 16 x Metal Puzzle 4 x Wooden 3D Puzzle Cautions: 1.Children must be used it under the adult's tutelage. 2.Do not drop them on the floor or the desk. 3.Do not play with them if there is any issue. 4.Do not keep the toy in the mouth to prevent children devour small parts in the toy.

• Test logic and creative minds with this cool yet simple brain teaser. These brain games are perfect for passing time, fidgeting, and avoiding gadgets and electronics. They’re a healthier way to practice focus and concentration. Can also be used for fun party games.
• Wooden 3D brain teaser puzzle toy originated from ancient China which called Kong Ming Lock. Wooden game with interesting logical thinking and perfect for development of brain.
• Metal coils are smooth and has NO SHARP EDGES for endless play without getting hurt. The links are made from heavy duty 4.5 stainless steel that doesn’t easily bend or break even when thrown or stepped on. Players can’t force them open so there is no chance of cheating.
• Perfect gift - For every occasion! for Christmas gifts, office gifts, etc. 3D brain teaser can take anywhere.
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