Description:<br />Mother Nature polished that stone by gently washing it in water and sand or gravel until all the rough edges were smoothed away. Then the inner colors and unique composition of the stone were uncovered! You can do the same thing in your Rock Tumbler - It is faster than Nature， but still takes time and patience. Still， you can expect to have beautiful， polished stones in 2 to 4 weeks.<br /><br />Main Features:<br />Kid can collect various kinds of rocks outdoor and whet them into extremely attractive diamonds with the machine.<br />With This machine， you can make diamond rings， key pendents and necklaces by yourself.<br />During the DIY operation， kids can experience the fun of boar and enjoy the fulfill success， which can develop their curiosity.<br />Experiment with different types of stones under different types of tumbling conditions， you may get some surprising results!<br />Stones of the same type tumbled together will produce the most highly polished look.<br /><br />    Specifications<br />Basic Information<br />  Type: Intelligence toys                                                  <br />                        Age: 8 Years+                                                  <br />                        Material: Metal， Plastic， Electronic components                                                 <br />Characteristic<br />  Design Style: Military                                                  <br />                        Features: Educational                                                  <br />                        Puzzle Style: Common                                                  <br />                        Small Parts : Yes                                                  <br />                        Washing : No                                                  <br />                        Applicable gender: Unisex                                                 <br />Dimension and Weight<br />  Package Weight   : 1.607 kg                                                  <br />                        Package Size (L x W x H)  : 28.8 x 24 x 15 cm / 11.32 x 9.43 x 5.90 inches                                                 <br />Package Contents<br />  Package Contents: 1 x DIY Stone Stumbler                                                 <br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br />                       Product Safety Disclaimer: <br />We do not accept any responsibility or liability for misuse of this or any other product.  All our products are extensively tested to comply with rigorous and strict QC standards.  For certain products (e.g. toys， knives， etc.)， we recommend proper supervision as we cannot be held liable for misuse or accidents.<br /><br />  Disclaimer: <br />We do not accept any responsibility or liability for the incorrect purchase of our products.  All of the products on the website are extensively tested to comply with rigorous and strict QC standards.  For all of our clothing products， items and accessories， please take careful note of the precise measurements， mainly shown in centimeters (CM).  As part of our company policy， we will not be able to accept returns or provide refunds for items which are the wrong size.<br /><br />                                                <br />