Premium Metal Brain Teasers Puzzle Set - 3 PCS Alloy Unlock Interlock Coil Puzzles for Adults | IQ Logic Test & Mind Games | Perfect for Office Stress Relief, Classroom Activities & Family Game Nights

Warning: Keep away from babies in case of accidental ingestion!!! Metal Brain Teasers Puzzles Kit allows children to have much fun while exercising their thinking and hands-on skills. If you have any questions after receiving the product, please contact us in time. We will serve you wholeheartedly. Features Material: zinc alloy, copper-zinc alloy Color: metallic color, verdigris color Age: 15+ Packing: 1 x Metal Brain Teasers Puzzles Kit (3 pcs)

【THREE STYLES】- Three different 3D unlock interlocking puzzles toys. Keep the process of exploring puzzles fresh. Can also be shared with friends.

【SUPERIOR QUALITY】- Durable copper-zinc alloy and zinc alloy material keep an aesthetic look and smooth feel. Safe and non-toxic, not easy to fade or be corroded.

【BENEFICIAL TOYS】- These toys are based on ancient Chinese ring games. Great for recreation and exercising logical thinking skills.

【WIDE APPLICATION】- They can be used to kill time at home or office. Great fun for people and their friends. Nice gift for Christmas, birthday or any other festivals.

【NOTE】- Cannot be opened forcibly to prevent cheating. Children should use these with the care of parents. Warning Keep away from babies in case of accidental ingestion!!!