Customer Reviews
Rock Tumblers

Rock tumblers, instructions, supplies, everything you need for rock tumbling!

Rock Tumblers
Thumler's MP-1 Kit
Thumler's MP-1 Rock Tumbler Kit: Our best-selling tumbler because it is inexpensive and quiet. The soft rubber barrel makes much less noise than a toy tumbler with a plastic barrel. Learn about rock tumbling with a quality machine at a low price. Includes everything you need to produce one batch of tumbled stones. Includes a small jewelry kit. Perfect for the beginner. Convenient refill kits are available here.
MSRP: $166.75. Our Price: $119.99

Thumler's A-R1 Kit
Thumler's A-R1 Kit: Larger and more durable than the MP-1 shown above. The barrel will quietly tumble about twice as much rock. Has a thermally protected motor on a metal frame. Will last for years. Includes rocks, grit, a small jewelry kit and instructions. Refill kits are available here.
MSRP: $278.99. Our Price: $199.99

Thumler's A-R2 tumbler
Thumler's A-R2: Like the A-R1 above but with two 3-pound capacity barrels. Tumble two different materials at one time, tumble materials at two different steps in the tumbling process, or two people can each have their own barrel.
MSRP: $286.22. Our Price: $209.99

Available as a kit for only $279.99

Thumler's A-R12 tumbler
Thumler's A-R12: A large tumbler with a 12-pound capacity barrel. Used to quietly tumble a lot of rocks or to clean brass ammunition casings. With minor adjustments it can easily be converted to run two 3-pound barrels (video here).
MSRP: $348.17. Our Price: $239.99

Thumler's Model B tumbler
Thumler's Model B: The largest rotary tumbler that we sell. Has a 15-pound capacity barrel and a larger motor than the tumblers above. Used to tumble rocks but is very popular for cleaning brass casings. Has a thick rubber liner to prevent leaks and to run quietly.
MSRP: $436.42. Our Price $279.99

Vibratory Tumblers
Lot-O-Tumbler vibratory tumblers
Lot-o-Tumblers are back! More information.

Thumler's vibratory tumblers
Thumler's UV-10 Vibratory Tumbler,
Thumler's UV-18 Vibratory Tumbler
, and
Thumler's UV-45 Vibratory Tumbler (not shown)
Thumler's Ultra-Vibe industrial tumblers are heavy-duty tumblers designed for rock tumbling. We offer models with a ten-pound bowl, an eighteen-pound bowl, and a forty-five-pound bowl. All three are designed to tumble rocks or brass ammunition casings.
UV-10 - MSRP $453.11   $349.99
UV-18 - MSRP $653.83   $519.99
UV-45 - MSRP $1,281.43   $999.99

Rock Tumbler Parts
Rock tumbler parts
Rock Tumbler Parts: We offer parts for Thumler's Tumblers and Lot-O-Tumblers. For other brands and vintage tumblers, please read this article.
Rock Tumbling Supplies
Rock tumbler grit Rock Tumbler Grit
All of the grit you need for rock tumbling. Sold in kits or by-the-pound. Save by purchasing in bulk.

Rock tumbler polish Rock Tumbler Polish
We offer a variety of polishes including TXP, #61 Rapid Polish, cerium oxide, tin oxide, tripoli, and more.

Tumbling media Tumbling Media
Two sizes of ceramic cylinder media and plastic pellets. These are used for cushioning, delivering grit, and as filler.

refill kit Refill Kits
We offer refill kits for two- and three-pound barrels. Kits include all the rough, grit, and polish needed for one tumbling cycle.

Rocks for Tumbling
rough rocks
Best-Selling Tumbler Rough Tumbling enthusiasts know when they see a great deal. This 20-pound bag has a great variety of 1/2 to 2 1/2 inch material and costs just $5 a pound.

Easy Roughs

Intermediate Roughs

Advanced Roughs

Easy Roughs - For Small Tumblers
small rough rocks
Small-Sized Tumbler Rough If you are new to tumbling and have a small tumbler, we recommend starting with these small-sized roughs. They are easy-to-tumble rocks, sized especially for use in small rock tumblers.

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small tumbler

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Rock Tumbler Parts
Rock tumbler parts
Rock Tumbler Parts: We offer parts for Thumler's Tumblers and Lot-O-Tumblers. For other brands and vintage tumblers, please read this article.

Tumbled Stones
Tumble polished stones
Tumbled Stones: We offer one of the internet's largest selections of beautifully polished tumbled stones from around the world. Choose from mixtures or single-variety packs.

Single-Variety Stones
polished stones

Jewelry Making
jewelry making Jewelry Making
We sell jewelry parts for you to make key chains, pendant necklaces, tie tacks and bracelets with your tumbled stones.

Polished Stone Identification
Polished stone identification Identify Polished Stones
with our guide to tumbled stones. Includes most of the stones in our tumbled mixtures. We also sell 4x6 inch identification cards.

Tumbling Articles and Resources
Our Rock Tumbling Library
Rock Tumbling Instructions
Polished Stone Identification
Tumbling Media - What You Need to Know
How Long Does Tumbling Take?
Save Time and Money with a Vibratory Tumbler
How Loud Are Rock Tumblers?
Fee mining sitesFee Mining and Digging Sites
Rock Tumbler Blog
Uses for Tumbled Stones

The Best Book About Tumbling
Modern Rock Tumbling We highly recommend: Modern Rock Tumbling by Steve Hart. Learning is the best way to improve the quality of your tumbled stones. In this book, an expert will help increase your abilities, teach you to save time, and be a source of advice you will use again and again. We reach for this book frequently.

Gemstones of the World
Gemstones of the World We highly recommend: Gemstones of the World by Walter Schumann. One of the most popular gemstone books ever written - with over one million copies sold. It has about 100 pages of basic gem information and about 200 pages of photos and descriptions for over 100 gems and gem materials.

Gemstone and Jewelry Book
Gemstone Tumbling, Cutting, Drilling & Cabochon Making We highly recommend: Gemstone Tumbling, Cutting, Drilling & Cabochon Making by Jim Magnuson, Val Carver, and Carol Wood. A great book if you do rock tumbling and now want to make beads, pendants, and jewelry from tumbled stones. Learn about drilling, face-polishing, cab cutting.