New Arrivals/Restock

K5 Rock Tumbler for Kids & Beginners – Dual Noise-Reducing Rock Polisher with Timer, 3 Speeds & Memory Function, Complete Stone Tumbling Kit with Gems & All Accessories – A Fun STEM Gift

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US$18.00 cheaper than the new price!!

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Product details

Management number 226941867 Release Date 2026/05/09 List Price US$12.00 Model Number 226941867
Category
  • 𝟗𝟎-𝐃𝐚𝐲 𝐅𝐫𝐞𝐞 𝐓𝐫𝐢𝐚𝐥 & 𝟏-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲 — Worry-Free Purchase: Enjoy peace of mind with our 90-day free trial and 1-year warranty. If you miss Amazon’s 30-day return window, simply contact our 𝐔𝐒-𝐛𝐚𝐬𝐞𝐝 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 for easy replacement or refund assistance. We also 𝐨𝐟𝐟𝐞𝐫 𝐥𝐢𝐟𝐞𝐭𝐢𝐦𝐞 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐨𝐟 𝐫𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐩𝐚𝐫𝐭𝐬, so your rock tumbler will always stay ready to use.
  • Complete Starter Kit — Ready to Use Right Out of the Box: Everything needs to start rock tumbling is included. The KomeStone K5 kit comes with the 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. No extra purchases needed — simply add rocks and begin.
  • Dual Noise-Reducing Safety Design — Quieter & Kid-Friendly: Designed for family use, the K5 features dual noise reduction with a thick rubber barrel and a sound-dampening safety cover. This combination helps lower operating noise compared to standard plastic-barrel tumblers, while also helping prevent accidental contact during operation — giving parents extra peace of mind.c
  • Smart, Simple Controls — Made for Kids & Beginners: With 3 speeds, a 9-day timer, pause-and-resume, and auto-memory, beginners can tumble with confidence and less guesswork. The clear digital display and guided program make it easy to follow each polishing stage, even for first-time users.
  • A Fun & Educational STEM Project for Curious Kids: The K5 helps kids discover geology hands-on — turning ordinary rough stones into shiny keepsakes they’ll be proud of. It’s the perfect blend of learning, creativity, and screen-free fun — ideal for beginners, young rock collectors, and hobby crafters.
  • Trusted KomeStone Quality & Ongoing Support KomeStone focuses on safe, durable, and beginner-friendly rock tumblers trusted by a growing number of families worldwide. More and more households are choosing KomeStone as their go-to rock tumbler brand. Replacement parts are available, and our friendly customer support team is always ready to help — we’re here to make sure your tumbler keeps running smoothly.

ASIN B0G43QXB54
Size Starter Kit(Sky Blue)
Color Starter Kit(Sky Blue)
Shape Round
Theme beginner gemstone polishing kit, complete rock polishing kit, educational rock tumbling kit, gemstone polishing rock tumbler, kids rock collector starter kit, noise reducing rock polisher, rock tumbler kit for kids, stone polishing machine for beginners
Capacity 1 Pounds
Set Name KomeStone K5 Rock Tumbler for Kids( Starter Kit )
Brand Name KomeStone
Reusability Reusable
Manufacturer KomeStone
Model Number KS251126RT93
Material Type Brushed Motor, Plastic Base, Stainless Steel, Tyre Grade Rubber
Product Style Classic
Number of Items 1
Material Features Durable, Leak-free
Subject Character Make your own gems
Included Components Jewelry Fastenings & 0.5lb Rough Rocks, Mesh Strainer & Screwdriver & Full-Color Manual book, Polishing Grits * 4 bags & 2 Extra Belts, Rock Tumbler Base & Barrel, We have also prepared extra belts for spare use. If you need some, please contact our after-sales service center.
Age Range Description 6 years and up
Customer Package Type Standard Packaging
Embellishment Feature Stones
Item Dimensions W x H 7.72"W x 7.68"H
Manufacturer Part Number KS251126RT93
Product Care Instructions Clean the rubber barrel with water after each stage. Do not use boiling water or harsh chemicals. Remove and rinse the lid gasket, then dry before reinstalling. Do not pour slurry down drains—dispose outdoors or in a container. Check and replace the belt if needed and avoid overloading. Use on a stable, dry surface under adult supervision. Unplug and store in a cool, dry place when not in use.
Specific Uses For Product beginner gemstone polishing, family science activity, kids STEM learning, rock polishing hobby
Is the item dishwasher safe No
Recommended Uses For Product Home
Other Special Features of the Product Creativity, Leak Proof, Noise Reducing

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