Specification AgeRangeDescription : 8 year and up BatteriesRequired : 1 Brand : HopeRock BulletPoint1 : [Soundproof Enclosure for Quiet Operation]: 2025 NEW UPGRADE & ADVANCED FEATURES! Our rock tumbler kit features a state-of-the-art soundproof enclosure that significantly 75% quieter than other models during the tumbling process. An ideal choice for indoor use, or for those who prefer a quieter environment. Unlike other tumblers that can be disruptive with their noise, ours allows you to enjoy the hobby without causing a disturbance! Also an excellent STEM toys for kids ages 8-13. BulletPoint2 : [Create Your Own Shining Gems]: Enhance your rock tumbling experience with our new model! Featuring an integrated LED screen, a 9-day timer, 3 speed controls, and a pause and resume function. This allows you to customize your polishing process for exceptional results. Makes a great toy gift for girls and boys ages 8+! It's also a great lesson about patience and geology for kids, or a great idea for mom making jewelry or dad collecting rocks. BulletPoint3 : [All-Inclusive Kit for Convenience]: Our rock tumbler kit comes with everything you need to start tumbling rocks right out of the box. It include a variety of rocks, grit for different stages of polishing to create your own gemstone jewelry. The inclusion of a detailed instruction manual makes it easy for you to start tumbling like a pro. This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation. BulletPoint4 : [High-Performance Motor, Built to Last]: Equipped with a powerful and reliable motor, our rock polisher tumbler kit ensures efficient and effective polishing. The strong motor not only speeds up the tumbling process but also handles larger batches with ease. It is a significant advantage over other kits with less potent motors that may struggle with larger or harder stones. BulletPoint5 : [Easy-to-Clean Rubber Barrel]: Mess barrel often bothers you? Our rock tumbler's rubber barrel is made easy to clean compare with other product. Cleaning up with water after each tumbling session is a breeze, allowing you to focus more on the hobby and less on the cleanup. This is particularly important for enthusiasts who plan to use tumbler frequently, as it guarantees that the barrel will maintain its performance over time. BulletPoint6 : Complete STEM Kit with Full Accessories for Kids & Adults: Everything you need is included: 2 lbs of assorted rocks, 8 polishing grits, ceramic pellets, jewelry findings, belts, strainer, and a colorful step-by-step guide. Great for beginners and seasoned tumblers alike, this STEM-friendly rock tumbler kit is perfect for kids, parents, educators, and DIY enthusiasts. BulletPoint7 : U.S.-Based Support, 1-Year Warranty, Lifetime Help: Your purchase is backed by KomeStone’s commitment to customer satisfaction. We offer a 1-year warranty covering free replacement of all accessories, plus lifetime technical support from our dedicated U.S.-based team. Whether you’re using this quiet rock tumbler for agates, gemstones, or jewelry polishing, we’re here every step of the way—ensuring peace of mind for beginners and pros alike. BulletPoint8 : Spare Belt Support – We're Always Here to Help: The belt may wear out for long-term use. If it breaks or if you’d like to keep spares on hand, feel free to reach out anytime after purchase—we’ll be happy to send you some extras. Color : Green CompatibleMaterial : Plastic CpsiaCautionaryStatement : choking_hazard_small_parts CpsiaCautionaryStatement1 : choking_hazard_small_parts CpsiaCautionaryStatement2 : no_warning_applicable EducationalObjective : Science ExternallyAssignedProductIdentifier1 : 855831008356 ExternallyAssignedProductIdentifier2 : 0855831008356 ExternallyAssignedProductIdentifier3 : 00816448025891 Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : CN_SmallLithiumIonBatteryInEquipment Hazmat11 : DE_SmallLithiumIonBatteryInEquipment Hazmat12 : EG_SmallLithiumIonBatteryInEquipment Hazmat13 : ES_SmallLithiumIonBatteryInEquipment Hazmat14 : FR_SmallLithiumIonBatteryInEquipment Hazmat15 : GB_SmallLithiumIonBatteryInEquipment Hazmat16 : IE_SmallLithiumIonBatteryInEquipment Hazmat17 : IN_SmallLithiumIonBatteryInEquipment Hazmat18 : IT_SmallLithiumIonBatteryInEquipment Hazmat19 : JP_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : MX_SmallLithiumIonBatteryInEquipment Hazmat21 : NL_SmallLithiumIonBatteryInEquipment Hazmat22 : PL_SmallLithiumIonBatteryInEquipment Hazmat23 : SA_SmallLithiumIonBatteryInEquipment Hazmat24 : SE_SmallLithiumIonBatteryInEquipment Hazmat25 : SG_SmallLithiumIonBatteryInEquipment Hazmat26 : TR_SmallLithiumIonBatteryInEquipment Hazmat27 : US_SmallLithiumIonBatteryInEquipment Hazmat28 : ZA_SmallLithiumIonBatteryInEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryInEquipment Hazmat6 : AU_SmallLithiumIonBatteryInEquipment Hazmat7 : BE_SmallLithiumIonBatteryInEquipment Hazmat8 : BR_SmallLithiumIonBatteryInEquipment Hazmat9 : CA_SmallLithiumIonBatteryInEquipment IncludedComponents : Rock Tumblers IncludedComponents1 : 1 rock tumbler base & 2 rubber barresl IncludedComponents2 : 1+1 = 2 belts & user instructions IncludedComponents3 : 2 pounds of rocks & 8 bags of polishing grits & ceramic pellets IncludedComponents4 : jewelry fastenings & adaptor & screwdriver & mesh strainer IncludedComponents5 : Please email to our after-sales service center ( support@komestone.com ) to receive the extra bag of rocks for spare use after placing the order. Any issues with your order will be solved timely. IndoorOutdoorUsage : indoor ItemName : HopeRock Ultra Quiet Rock Tumbler Kit, Rock Polisher with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Great STEM Science Kit Gift for Age 8+, Boys Girls Toys ItemPackageDimensions_Height : 22.8092 centimeters ItemPackageDimensions_Length : 17.1958 centimeters ItemPackageDimensions_Width : 17.2974 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : childrens-rock-tumblers Manufacturer : HopeRock ManufacturerMaximumAge : 360 ManufacturerMinimumAge : 96 Material : Plastic Material1 : Brushless motor Material2 : Tyre grade rubber Material3 : Top quality of stainless steel Material4 : Please email to our after-sales service center ( support@komestone.com ) to receive the extra bag of rocks for spare use after placing the order. Any issues with your order will be solved timely. ModelName : 5577-34 ModelNumber : 5577-34 NumberOfBoxes : 1 NumberOfItems : 1 OperationMode : Manual PackageLevel : unit PartNumber : RT002 PowerSourceType : Manual ProductDescription : HopeRock Ultra Quiet Rock Tumbler Kit, Rock Polisher with Noise Reduction Cover ProductSiteLaunchDate : 2025-04-27T09:57:39.682Z SafetyWarning : Not suitable for children under 3 years Size : Medium Size1 : Medium Size2 : Small StreetDate : 2018-11-01T00:00:01Z Style : Rock Tumbler SubBrand : National Geographic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudienceKeyword : Unisex Adult TargetAudienceKeyword1 : Unisex Children TargetAudienceKeyword2 : Unisex Adult TargetAudienceKeyword3 : People TargetGender : unisex Theme : Rock Tumbler Theme1 : Rock Tumbler Kit for Polishing Stones Theme2 : Perfect gift choice for the families or friends Theme3 : Stone Polishing Machine for Adults Theme4 : Lapidary Tool for DIY Jewelry & Crafts Theme5 : Rock Tumbler Starter Kit with Timer & Motor Theme6 : Rock Tumbler with Grits and Accessories UnitCount : 1 UnspscCode : 60140000 Voltage : 120 volts