Name： Wholesale children's educational toys Ming lock unlock removable wooden burr puzzle Size： About 7.5 * 7.5 * 7.5cm Materials: Solid wood Colour： As shown Brief introduction： Easily separated from it and restore in a short time it has tried it? Can you do that? Do not worry， give it a try! IQ less than ten minutes， the general intelligence within three days! Intelligence toy is old and traditional Chinese intellectual game， a long history， long time to flourish， with a very subtle mathematical theory and physical principles， even in a short time apart is difficult to fight back， a little modeling is greatly test people IQ， do not believe you try! ! !