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C5 Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher - Complete Rock Tumbling Kit with 4-Stage Silicon Carbide Grit - Adjustable Timer & Speed with Memory Function
4.8 (38 items)
Limited Time SaleUntil the end
04
33
54
US$22.78 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
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Used US$15.19
Product details
| Management number | 216407491 | Release Date | 2026/04/19 | List Price | US$15.19 | Model Number | 216407491 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- KoolStone C5 Series – Perfect for Beginners. Designed for first-time users, the C5 combines a beginner-friendly exterior with smart controls and a colorful, intuitive interface. Step-by-step guidance ensures a smooth, successful start. Includes a full-color polishing guide with tips, stage recommendations, and fun rock facts—making rock polishing easy, educational, and enjoyable from day one.
- Dual Noise-Reduction – Up to 85% Quieter Tumbling. The C5’s dual noise-reduction design—premium rubber barrel plus noise-reduction lid—cutting noise by up to 85% compared with standard plastic barrels. Smooth, soft, and quiet, perfect for shared spaces or nighttime use.
- The 1st Smart Tumbler for Beginners – True smart control in a simple, one-touch design. The 3-speed, 9-day polishing program removes guesswork, guiding beginners from start to finish. Pause/Resume feature lets you stop and continue anytime—smart, simple, and stress-free.
- Everything You Need to Create Polished Gemstones – Rock tumbler, rubber barrel, 0.5LB of 8 types of rough gemstones, 2 belts, 4 polishing grits, sifter, jewelry fastenings, and illustrated tutorial guide. For even longer use and better results, pair with KoolStone’s 4LB Professional Polishing Grit (sold separately).
- Fun, Educational & Kid-Friendly STEM Gift – Designed with a truly kid-friendly setup, the C5 makes it easy and exciting for young explorers to turn ordinary stones into shiny treasures. A perfect birthday/Children's Day/christmas gift for kids, beginners, and young rock collectors—engaging, educational, and full of festive holiday fun for the whole family.
- Official KoolStone Warranty – 𝟏 𝐘𝐞𝐚𝐫 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞 & 𝟗𝟎-𝐃𝐚𝐲 𝐑𝐢𝐬𝐤-𝐅𝐫𝐞𝐞 𝐓𝐫𝐢𝐚𝐥. Your purchase is protected by KoolStone’s official 𝟏-𝐲𝐞𝐚𝐫 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 and a 𝟗𝟎-𝐝𝐚𝐲 𝐦𝐨𝐧𝐞𝐲-𝐛𝐚𝐜𝐤 𝐠𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞. Shop with confidence — we’re here to support your tumbling journey.
| Color | Orange |
|---|---|
| Theme | 1.) It fosters a love for science, geology and mineralogy in a fun and exciting way with your child. 2.) For best experience, we are offering 5 belts for spare use. Please feel free to reach out at: support@ikoolstone.com to get it. 3.) 2-Year replacement, please feel free to contact us for any issue. |
| Set Name | C5 Series |
| Brand Name | KoolStone |
| Unit Count | 1.0 Count |
| Item Weight | 2.22 Kilograms |
| Manufacturer | KoolStone |
| Model Number | C5 |
| Power Source | AC Adapter |
| Material Type | Brushless Motor |
| Operation Mode | Manual |
| Included Components | 1-Year Warranty Card & Illustrated Learning Booklet, 2 Belts, Jewelry Fastenings, Mesh Strainer, Screwdriver, Power Adapter, 8 Types Assorted Rough Rocks, 4 Bags of Polishing Grits, Rock Tumbler Base with Rubber Barrel & Noise-reducation Cover, Support Email: support@ikoolstone.com |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | Yes |
| Age Range Description | So simple, even a 4-year-old can master it. |
| Educational Objective | STEM |
| Supported Battery Types | No batteries required |
| Manufacturer Part Number | DCC520250821 |
| Manufacturer Maximum Age MONTHS | 1188 |
| Manufacturer Minimum Age MONTHS | 96.0 |
| Manufacturer Warranty Description | 1 Year Warranty Against Manufacturer Defects |
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