Exciting brain teaser puzzles for kids and adults to enjoy, this disentanglement puzzle provides for hours of entertainment, included in this pack are a variety of different designs in total you receive 24 pieces. Metal puzzle brain teaser originates from Chinese culture it was designed to aid with concentration and focus it also helps develop creative thinking, problem solving, it improves your IQ, and more. 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. This set includes a great variety of metal wire brain teasers, when you figure out how to unlock one puzzle you still have a lot more to try, lots of fun to play with family and friends and compete who can disentangle the puzzle first. Durable brain teaser puzzle set for all occasions, these are perfect to hand out for birthday parties, party favors, classroom rewards, educational prizes, gifts, stocking stuffer, Easter egg filler, and much more.