Kong Ming lock is a traditional Chinese intellectual toy￡? Never-boring sticks￡? the Six Interlocking Blocks￡? No Way Out and Trouble Blocks etc￡? was derived from the tenon structure initiated in ancient Chinese architecture. Kong Ming locks come in different shapes and sizes￡? with different internal structures. But they are usually easy to take apart and difficult to reassemble. Its functions of mind-body relaxing￡? intelligence boosting and making fingers more flexible. The lock may look simple￡? but it contains lots of mysteries. If you don&acute;t understand how it works￡? you can hardly put it together.                                    Features                The most representative of classical intelligence toys<br>    Magic box condenses with traditional culture and has strong interest<br>    An all - time favorite for young and old<br>    Magic box with smooth wooden surface<br>    Magic box is the original wood block game<br>    It also can cultivate the your perseverance and patience<br>    Makes a wonderful gift for that someone special<br>    Collectors￡? if you want a unique wooden puzzle toy￡? that will astound your friends￡? this is it<br>                                                                                                Package Includes                1 x Wood Puzzle Brain Training Kong Ming Lock Build<br>