kids toyClassic toy for children and adultsThis is a classic metal puzzle game toy with many mathematical and physical principles. Release the stress of adult work while keeping us entertained. Exercise the older brain can help prevent memory decline in the elderly.adult brain teaserEducational ToysThe simple design of the adult brain teaser may seem trivial, but it is actually quite complicated to understand. It can improve children's patience and thinking ability, help creative thinking and intellectual development, improve problem-solving ability, and improve your IQ and EQ at the same time. Treat yourself to cool and have fun anytime.puzzle gameHow to playThese metal puzzles are a real challenge. The wire parts are twisted together. To solve the ring puzzle you have to maneuver the pieces until you can pull them apart. Lots of fun to play with family and friends and battle to untangle the puzzle first.Applications Puzzle supplyChinese puzzle is a versatile puzzle for all occasions. Perfect for birthdays, party favors, classroom rewards, educational prizes, party favors, storage items, Easter egg fillers, etc.Durable materialThe puzzle toy is made of alloy of high quality zinc, with high toughness and no deformation, non-toxic. The material is not easy to rust, fade, strong and durable. The excellent processing makes the toy has a smooth surface and not easy to deform. hurt hands.Specification:Material: Zinc Alloy Color: As Pictures Shown Package Size: Approx.7.5 * 4.5 * 4.5cm/3 * 1.8 * 1.8inPackage List:1 * Intelligence Buckle Note: The data are all manual measurement, please allow an error of 1 - 3cm, due to the light and display difference, there will be some color difference, depending on the physical object received.