Name： Unlock Toys wooden puzzle disassembly Ming lock lock Luban lock eight squares Size: 7.5*7.5*7.5cm Materials: Wooden Colour: As shown About: 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! ! !