Ahyuan16 Pieces IQ Test Mind Game Toys IQ Toys Brain Teaser Metal Wire Puzzles Magic Trick Toy Metal IQ Puzzle for Kids and Adults (Bronze)

The Chinese Rings Puzzle is believed to be one of the oldest puzzles known, dating back to China over 2000 years ago. We believe that what makes it so popular is that it cleverly combines both logic and creative thinking. The most representative of Chinese classical intelligence toys Practice the brain, logical thinking ability and finger muscles It also can cultivate the spirit of work study focused and your patience Size:as the picture shown Package Included: 1 x set of 16 pcs Metal Ring Brain Teaser Puzzle