A toy to train IQ, most effective for kids and young adults. Fit the coloured pieces in the box. It is packaged in shrink wrap.<br><br>Dimension: 11.5 cm x 11.5 cm<br>Material: Polished  wood<br><br><br><img src="http://gdetail.image-gmkt.com/042/147/666147042/2016/12/5b4d06a4-1486-480b-abfa-42003f545a5c.JPG" undefined="" width="940" height="607"><br><img src="http://gdetail.image-gmkt.com/042/147/666147042/2016/12/c38a6814-1105-42be-9d10-d694c70b6dc1.JPG" undefined="" width="940" height="608"><br><img src="http://gdetail.image-gmkt.com/042/147/666147042/2016/12/1b896931-1cbf-4ae9-acea-32b619803316.JPG" undefined="" width="940" height="609">