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K5 Rock Tumbler for Kids & Starters– Dual Noise-Reducing Rock Polisher with Timer, 3 Speeds & Memory Function, Complete Stone Tumbling Kit with Gems & All Accessories – A Fun STEM Gift
4.9 (62 items)
Limited Time SaleUntil the end
05
13
13
US$29.98 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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Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used US$19.99
Product details
| Management number | 209886217 | Release Date | 2026/04/02 | List Price | US$19.99 | Model Number | 209886217 | ||
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| Category | |||||||||
- 💡 We have also prepared extra belts for your spare use at no cost. Reach out to our customer center to get some — absolutely free.
- 𝟗𝟎-𝐃𝐚𝐲 𝐅𝐫𝐞𝐞 𝐓𝐫𝐢𝐚𝐥 & 𝟏-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲 — 𝐖𝐨𝐫𝐫𝐲-𝐅𝐫𝐞𝐞 𝐏𝐮𝐫𝐜𝐡𝐚𝐬𝐞: Includes a 𝟗𝟎-𝐝𝐚𝐲 𝐟𝐫𝐞𝐞 𝐭𝐫𝐢𝐚𝐥 and 𝟏-𝐲𝐞𝐚𝐫 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 for added peace of mind. If Amazon’s 30-day return window is missed, 𝐔𝐒-𝐛𝐚𝐬𝐞𝐝 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 𝐢𝐬 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 to assist with replacement or refund requests. 𝐑𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐩𝐚𝐫𝐭𝐬 𝐫𝐞𝐦𝐚𝐢𝐧 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 to help keep the rock tumbler in working condition.
- Complete Starter Kit — Everything Included: This rock tumbler kit includes a tumbler base, durable rubber barrel, 0.5 lb of assorted rough gemstones, 4 polishing grits, sifter, jewelry findings, 2 spare belts, and a full-color step-by-step guide. Designed so kids and starters can begin tumbling right out of the box without purchasing additional accessories.
- Dual Noise-Reducing Safety Design: A thick rubber barrel combined with a sound-dampening safety cover helps reduce operating noise compared with standard plastic-barrel tumblers. The protective cover also helps minimize accidental contact during use, making it more suitable for home environments.
- Simple Digital Controls with Memory Function: Equipped with 3 speed settings, a 9-day timer, pause-and-resume capability, and automatic memory that resumes the program where it stopped. The clear display and guided controls make it easier for beginners to manage each polishing stage.
- Hands-On STEM Learning Activity: An engaging, screen-free science project that introduces basic geology concepts while turning rough stones into polished keepsakes. Encourages patience, creativity, and hands-on learning for kids, starters, and hobby users.
- Replacement Parts Available & Ongoing Support: Designed for long-term use, with replacement parts available if needed. Customer support is provided to assist with product questions or part replacement, helping ensure continued use over time.
| Brand Name | KomeStone |
|---|---|
| Unit Count | 1.0 Count |
| Manufacturer | KomeStone |
| Item Dimensions | 11.42 x 7.72 x 7.68 inches |
| Manufacturer Part Number | RTK5-260121-05 |
| Manufacturer Maximum Age MONTHS | 1200.0 |
| Manufacturer Minimum Age MONTHS | 72.0 |
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Rock Tumblers
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