Description
1) Intelligence toy is an old and traditional Chinese intelligence game and has been popular since ancient times. Hiding very mysterious mathematical and physical principles, it is easy to separate within a short time, while difficult to reassemble2) Try to get out the brown ball,and put it in,it not very simple!
3) Durable and reliable safe non-toxic
4) Material: natural high quality wood
5) Size: 8.0 x 8.0 x 8.0cm
