ROKR wooden zodiac puzzle clock is a mechanical model kit combined with decorative quality and pratical functions. It requires glue to assemble and battery to power it. Once completed,the 3D wooden puzzle will be a pleasure to eyes and ears. Perfect gift for adults and kids at any occasion like birthday or Christmas. <br> <b>SPECIFICATION:</b><br> Pieces: 168 pcs<br> Assembled Size: 13.1x12x2.2 inches<br> Bttery Mode: AA battery (not included)<br> Estimate Time: 3.5 h<br> Material: Wood<br> <b>NOTE:</b><br> 1.The 3D puzzle kit need to DIY, waxing, polishing, gluing, assembling by yourself. The necessary tools are included with a clear English manual.<br> 2.Please wax enough as instructed to keep the gears rotate smoothly. Some parts may be fragile and need special attention when assembling.<br> 3. If you have any problem during assembly, such as parts missing or broken, we are glad to help unconditionally.<br>