[Classic Toy for Kids and Adult]This is a Chinese classical educational toy which contain many mathematical and physical principles. While providing us with entertainment, release the working pressure of the adults. Exercising elderly People brain, help prevent a decline in memory of the elderly. [Educational Toys]The simple design looks insignificant but actually quite complex to figure out. Which can enhance kids’ Patience and thinking ability, good for creative thinking and developing intelligence, improve problem solving abilities while improve both your IQ& EQ. Offer you freshness and fun at any leisure time. [How to Play]These metal brain teasers provide for a great challenge it comes with wire pieces twisted together, to unlock the ring puzzle you need to maneuver the pieces until you will be able to separate them. Lots of fun to play with family and friends and compete who can disentangle the puzzle first. [Durable Material]The puzzle toy is made of high quality Zinc Alloy,
