●The Meilong M 4x4 cube is a medium-strength magnetic cube. It has been upgraded and improved on the basis of the traditional Meilong 4x4 to make it more cost-effective. This is currently the most affordable 4x4 magnetic cube ●Solving puzzles and brain teasers are important activities to teach kids to work hard at solving complex problems and foster your kids sense of space and enhance a childs memory.Whether youre trying to stretch your brain capacity or spending some leisure time with your loved ones, this would be a great gift for your kids. ●This product is made of environmentally friendly materials, non-toxic, non-polluting, and does not cause any harm to the human body. It can be assured for children to play without the cumbersomeness of traditional stickers. It is composed of one-piece color patches. The matte surface is non-slip and durable. ●This puzzle is sure to be a challenge for beginners and seasoned puzzlers alike. It comes in vibrant stickerless bright shades ●This is a good choice whether you are a beginner or an experienced player. Trying to restore Cube is a good exercise for our spatial thinking. This is the perfect gift for children.