--- product_id: 575279744 title: "Ultimate Edition" brand: "koolstone" price: "$468.17" currency: USD in_stock: true category: "Kool Stone" url: https://www.desertcart.us/products/575279744-ultimate-edition store_origin: US region: United States of America --- # Brushless motor tech 6X noise reduction 3LB large capacity Ultimate Edition **Brand:** koolstone **Price:** $468.17 **Availability:** โœ… In Stock ## Summary > ๐Ÿชจ Polish Like a Pro, Quietly and Confidently! ## Quick Answers - **What is this?** Ultimate Edition by koolstone - **How much does it cost?** $468.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/575279744-ultimate-edition) ## Best For - koolstone enthusiasts ## Why This Product - Trusted koolstone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - โ€ข **Risk-Free Investment:** Backed by a 1-year warranty with 24/7 support and accessory replacementsโ€”making your purchase worry-free and worth every penny. - โ€ข **Whisper-Quiet Tumbling:** Experience up to 6X less noise with our patented soundproof cover and rubber barrelโ€”perfect for indoor creativity without disruption. - โ€ข **Next-Gen Brushless Motor:** Unleash lightning-fast, efficient polishing with the marketโ€™s first and only brushless motor rock tumbler. - โ€ข **All-Inclusive Gemstone Kit:** Start your rock polishing journey immediately with 1LB assorted rough stones, polishing grits, ceramic media, and jewelry fastenings included. - โ€ข **Precision Polishing Control:** Customize your polish with 3-speed settings, a 9-day timer, auto shutoff, and memory function for flawless results every time. ## Overview The KoolStone C1 Pro Max is a professional-grade rock tumbler featuring a groundbreaking brushless motor and a noise-reduction cover that cuts sound by 6X. With a spacious 3LB rubber barrel, 3-speed controls, and a 9-day timer with memory, it delivers precision polishing indoors without the noise. The kit comes fully loaded with rough stones, polishing grits, ceramic media, and jewelry fastenings, making it ideal for hobbyists and STEM learners aged 13+. Supported by a 1-year warranty and 24/7 customer service, itโ€™s the ultimate tool for turning raw rocks into stunning gems. ## Description desertcart.com: KoolStone C1 Pro Max Professional Rock Tumbler Kit - Large 3LB Capacity & Brushless Motor, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids : Toys & Games ## Features - The FIRST and ONLY Noise-Reduction & Brushless Motor Rock Tumbler on the Market โ€“ Upgrade Your Rock Polishing Experience - 1 Year ๐–๐š๐ซ๐ซ๐š๐ง๐ญ๐ฒ- Special Bonus Just for You! The ๐ฐ๐š๐ซ๐ซ๐š๐ง๐ญ๐ฒ covers accessories replacement, techical support, ๐Ÿ๐Ÿ’/๐Ÿ• ๐œ๐ฅ๐š๐ข๐ฆ ๐ก๐จ๐ญ๐ฅ๐ข๐ง๐ž and so on. ๐Œ๐š๐ค๐ž ๐ฒ๐จ๐ฎ๐ซ ๐ฆ๐จ๐ง๐ž๐ฒ ๐ฐ๐จ๐ซ๐ญ๐ก ๐ž๐ฏ๐ž๐ซ๐ฒ ๐ฉ๐ž๐ง๐ง๐ฒ. - CUTTING-EDGE BRUSHLESS MOTOR, UNMATCHED IN THE MARKET -- C1 Pro Max rock tumbler boasts an unbeatable brushless motor, providing lightning-fast and highly effective tumbling action that leaves your gems and rocks polished to perfection. We take pride in being the pioneers of the brushless motor rock tumbler, currently the first and only one available on the market. - 6X QUIETER WITH NOISE-REDUCTION COVER, PERFECT FOR INDOOR ROCK TUMBLING -- Experience the tranquility of tumbling with the noise-dampening cover that makes tumbling operations quieter than ever before. Ideal for enthusiasts who enjoy tumbling indoors or have limited space. Moreover, the rubber barrel reduces noise by 75% compared to other plastic barrels. - EXPEDITED POLISHING AND SUPERIOR RESULTS -- With 3-speed controls allowing for more precise tumbling, a 9-day timer featuring automatic shutoff and memory function, all conveniently displayed on a clear screen, you can effortlessly hone your settings for impeccable polishing results every time. - EVERYTHING YOU NEED FOR GEMSTONE POLISHING RIGHT AT YOUR FINGERTIPS -- The KoolStone Rock Tumbler includes a complete set of tools required for creating exquisite polished gemstones. Unbox and discover the rock tumbler itself, equipped with a 3LB capacity rubber barrel, 1LB of rough gemstones in 9 different varieties, 2 durable belts, 4 types of polishing grits, a sifter, mesh strainer and ceramic pellets,along with jewelry fastenings and an illustrated tutorial guide. Start tumbling right away! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CG31MLN9 | | Age Range Description | Suitable for children aged 13 and above | | Best Sellers Rank | #22,422 in Toys & Games ( See Top 100 in Toys & Games ) #10 in Kids' Rock Tumblers | | Brand Name | KoolStone | | Color | Brushless Edition: C1 Pro Max | | Customer Reviews | 4.6 4.6 out of 5 stars (365) | | Educational Objective | STEM | | Included Components | 1-Year Warranty Card, Illustrated Learning Booklet, 1LB Assorted Rough Rocks, 2 Durable Belts, 3LB Capacity Rubber Barrel, Ceramic Tumbling Media, 4 Bags of Polishing Grits, Jewelry Fastenings, Soundproof Rock Tumbler Base with Brushless Motor | | Indoor Outdoor Usage | Indoor | | Is Assembly Required | No | | Item Weight | 3.88 Kilograms | | Manufacturer | KoolStone | | Manufacturer Minimum Age (MONTHS) | 156.0 | | Manufacturer Part Number | DC20220422 | | Material Type | 1.๏ผ‰ Tyre grade rubber barrel and top-quality stainless steel. 2.) If you received the package and missing parts or damaged, no worries, please feel free to reach out at: support@ikoolstone.com to take the replacement. 3.) Any problems before purchasing, please reach out at: support@ikoolstone.com to get the answer. | | Model Number | C1 Pro Max | | Number of Players | 1 | | Operation Mode | Manual | | Power Source | Corded Electric | | Set Name | C1 Pro Max | | Size | Large | | Supported Battery Types | No batteries required | | Theme | Perfect gift for rock lovers, kids, and hobbyists to create stunning polished stones. | ## Images ![Ultimate Edition - Image 1](https://m.media-amazon.com/images/I/71RsoTQ6-rL.jpg) ## Frequently Bought Together - KoolStone C1 Pro Max Brushless Rock Tumbler Kit - Extra Large 3LB Capacity, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids - KoolStone Large Rock Tumbler Grit Kit [10 Pounds], Polish Up to [50 lbs.] of Rocks, 4 Steps Polish Refill Media Kit with [Ceramic and Plastic Pellet Tumbling Media], Compatible with Any Tumbler - 5 Packs of Rock Tumbler Replacement Belts, Only Compatible with KoolStone C1, C1 Pro & C3 Rock Tumbler, 78 * 4mm --- ## Why Shop on Desertcart? - ๐Ÿ›’ **Trusted by 1.3+ Million Shoppers** โ€” Serving international shoppers since 2016 - ๐ŸŒ **Shop Globally** โ€” Access 737+ million products across 21 categories - ๐Ÿ’ฐ **No Hidden Fees** โ€” All customs, duties, and taxes included in the price - ๐Ÿ”„ **15-Day Free Returns** โ€” Hassle-free returns (30 days for PRO members) - ๐Ÿ”’ **Secure Payments** โ€” Trusted payment options with buyer protection - โญ **TrustPilot Rated 4.5/5** โ€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/575279744-ultimate-edition](https://www.desertcart.us/products/575279744-ultimate-edition) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-11*