ROKR Secret Garden is a mechanical music box combined with jewelry box. It needs self-assembly and require no glue at all. Once completed, it will be a pleasure to eyes and ears.<br> <b>SPECIFICATION:</b><br> Tune: "Dancing With You in Dream"<br> Pieces: 315 pcs<br> Assembled Size: 5.3(L)x5.3(W)x5.5(H) inches<br> Estimate Time: 5 h<br> Material: Wood<br> <br> <b>NOTE:</b> 1.The 3D puzzle kit need to DIY, waxing, polishing, 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.