Durable Metal MaterialThis metal wire puzzle set is made of high-quality metal material, durable and sturdy, with high toughness and high strength, and keeps the shape from bending and breaking, providing long service life. 24pcs Brain Teaser ToysThis metal wire puzzles is composed of 24 different styles of metal wire, which can help teenager to aid with concentration and train logical thinking, maneuver the twisted pieces until they're unlocked or separated, both helping to develop the problem-solving skills and stimulate amazing creativity. Parent-teenager InteractionThis set of edupetive metal wire toys provides different level challenges, allows you and your teenager to spend a good Christmas holiday or weekend time, and makes your relationship closer. Easy to CarryThe metal link interlock set is small in size and light in weight, which is convenient for you to play and carry. It is the best choice to pass the time when you are bored. Share happiness with your family and friends any timeany occasion. Great GiftThe metal wire puzzle set is suitable for 6+ years old teenager and adults, especially those who like to be challenged. It can be a great birthday, Christmas, Halloween gift for your teenager, family, relatives.