Parts List:1 x Stone Tumbler1 x Roller1 x Stone Bag (optional style and color) (inside the drum)1 x Power Adapter4 x Abrasive1 x Glue1 x Wheel Belt1 x Accessory Bag (1 large key ring, 1 small key ring, 1 necklace, 2 rings, 3 stone buckles, 2 pins)1 x User ManualHighlight [Grind Your Own Gemstones] Rolling stones is a very popular hobby for children and adults. This professional stone polisher makes polishing easier in a fun way and turns rough stones into beautifully polished gemstones.[Easy to Use] You can set any grinding time from 1-7 days with one button, or you can stop and continue working with one button. When the set working time is finished, the stone grinder will stop automatically. The leak-proof rubber jug reduces noise, and the overall noise level is 75% lower than the plastic jug. [Educational and Scientific Toys] Children can collect all kinds of rocks outdoors and grind them into attractive diamonds by machine. During the grinding process, they can cultivate their curiosity and observation, and children can also experience the joy of work. [Durable Polishing Machine] Our polishing machine uses a high-quality motor that is durable and can work continuously for a long time. Suitable for children's DIY activities. [Perfect Gift] This is a science education kit for all genders and ages that develops a love of science, geology and mineralogy in a fun and exciting way. Perfect for birthday, Christmas and other holiday gifts. Detailed Name: Rock Tumbler Kit Product Material: ABS, Metal Product Size: 2114,516.6cm Applicable Age: 8+ Voltage: 100-240V Color: Black Notes: 1. Due to the difference between light and screen settings, the color of the item may be slightly different from the pictures. 2. Please allow slight dimension deviation due to manual measurement. [Grind Your Own Gemstones] Rolling stones is a very popular hobby for children and adults. This professional stone polisher makes polishing easier in a fun way and turns rough stones into beautifully polished gems. [Easy to use] You can set any grinding time from 1-7 days with one button, or you can stop and continue working with one button. When the set working time is finished, the stone grinder will stop automatically. The leak-proof rubber jug reduces noise, and the overall noise level is 75% lower than the plastic jug. [Educational and scientific toys] Children can collect all kinds of stones outdoors and grind them into attractive diamonds by machine. During the grinding process, they can cultivate their curiosity and observation, and children can also experience the joy of work. [Durable Polisher] Our polisher uses a high-quality motor that is durable and can work continuously for a long time. Suitable for children's DIY activities. [Perfect Gift] This is a science education kit for all genders and ages that develops a love of science, geology and mineralogy in a fun and exciting way. Perfect for birthday, Christmas and other holiday gifts.\" When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and do our best to help you. Thank you for choosing our product. We hope you like it!