Metal Puzzle, FINER Bronze Horseshoe Cast Metal Puzzle IQ Brain Teaser for Children Adults GH7106 by FINER SHOP Once you've figured out how to unlock the ring can you put the puzzle together again? Material:Iron.Color:Bronze.Age:3 years old Metal brain teaser condenses with traditional Chinese culture and they are quite interesting This design of the puzzle looks like so simple and insignificant, but actually its solution is quite complex which is a big challenge to you It can not only provide us with a positive way of recreation and rest to release heavy stress, but also practise our intelligence a lot, make us more clever and confident