If you are ready to choose a new best rock tumblers, check out our detailed recommendation below!.
In Hurry? Checkout Our Top Pick Of Best Rock Tumblers.
Our Top Pick

9.7/10 our score
Best Rock Tumblers
Rank | Product Name | Score |
---|---|---|
1 ![]() |
National Geographic Hobby Kit |
9. 7 |
2 ![]() |
Lorotone 3A |
9. 5 |
3 ![]() |
National Geographic Starter Kit |
9. 1 |
4 ![]() |
Chicago Electric Power Tools Rotary |
8. 8 |
5 ![]() |
Tru-square Metal THU140 |
8. 6 |
6 ![]() |
Tru-square Metal Products Thumler's Polisher |
8. 2 |
7 ![]() |
Tru-square Metal Products A-R2 |
8. 0 |
8 ![]() |
Discover with Dr. Cool Pro |
7 .7 |
9 ![]() |
MJR Tumblers Dual Barrel |
7. 4 |
1. National Geographic Hobby Kit

9.7/10 our score
- Make sure this fits by entering your model number.
- Make any stone sparkle and polish everyday rocks into dazzling gemstones
- Enhance your rock collection or start a new one! Makes all rocks shine like professionally polished stones
- Everything is included in the kit, tumbler, four polishing grits, sifter, learning guide plus nine types of real rough gemstones
- Easy to use with our simple instructions, one-touch settings and an automatic shutoff timer
- 100% satisfaction guaranteed - for 129 years, NATIONAL GEOGRAPHIC has been committed to providing fun and fascinating educational opportunities for children and stands behind this Rock tumbler with a two-year warranty.
2. Lorotone 3A

9.5/10 our score
- Make sure this fits by entering your model number.
- Weight: 5 lbs. One year warranty
- Tumbler dimensions: 9-1/4 x 5-3/4 x 2-1/2
- Barrel dimensions: 4-3/4H x 4-1/2 Diameter
- Model 3A tumbler with a simple 3 lb. capacity barrel offers the user economy and performance
- Designed for years of trouble free service the 3A is a real workhorse. The barrel is hard rubber to minimize noise and the durable motor will last for years. Simple to operate and UL approved
3. National Geographic Starter Kit

9.1/10 our score
- Make sure this fits by entering your model number.
- MAKE ANY STONE SPARKLE and polish everyday rocks into dazzling gemstones
- ENHANCE YOUR ROCK COLLECTION or start a new one! Makes all rocks shine like professionally polished stones
- EVERYTHING IS INCLUDED in the kit, tumbler, four polishing grits, a sifter, jewelry settings, a full-color 8 page learning guide and nine types of REAL rough gemstones
- EASY TO USE for Rock Hounds of all ages and skill levels, plug it in and polishing begins
- 100% SATISFACTION GUARANTEED - For 129 years, National Geographic has been committed to providing fun and fascinating educational opportunities for children and stands behind this Rock Tumbler with a two-year warranty
4. Chicago Electric Power Tools Rotary

8.8/10 our score
- Make sure this fits by entering your model number.
- plastic
- Imported
- Generous 3 lb. capacity
- Rubber barrel for quieter operation
- Motor: 120V, 60Hz
- Weight: 7.2 lbs.
- Easy to operate
5. Tru-square Metal THU140

8.6/10 our score
- Make sure this fits by entering your model number.
- Professional Grade Rotary Tumbler
- OUR most professional quality rotary tumbler features a 15 lb. capacity steel hexagon barrel with removable rubber liner.
- Used for a variety of tumbling and mixing operations: polish rocks, brass, and other metals. 115V heavy duty motor - fan-cooled with overload protection.
- The vendor offers a 5 year guarantee on barrel and liner.
- Extensively used by serious hobbyists, laboratories, schools, and industry, this model is the standard of hard-loading experts.
6. Tru-square Metal Products Thumler's Polisher

8.2/10 our score
- Make sure this fits by entering your model number.
- 3lb. capacity
- One rubber barrel
- 115V continuous duty motor
7. Tru-square Metal Products A-R2

8/10 our score
- Make sure this fits by entering your model number.
- Versatile two-barrel, 6 lb. capacity tumbler
- Uses two 3lb. capacity, long-life, molded rubber barrels
- Heavy continuous duty, fan-cooled motor. Overload protected.
8. Discover with Dr. Cool Pro

7.7/10 our score
- Make sure this fits by entering your model number.
- POLISH ROCKS AT HOME - Discover the fun hobby of rock tumbling and transform rough rocks into beautiful gems with this deluxe rock tumbler
- COMPLETE ROCK TUMBLING KIT - Includes 1lb of tumbling stones (9 types), polishing grit (4 types), jewelry fastenings, and instructions
- ULTIMATE TUMBLING MACHINE - Featuring a long-lasting motor, automatic shutoff timer, leak-proof rubber barrel for quieter tumbling, and speed control settings
- START A ROCK COLLECTION - Spark a child's love of geology and learning with this hands-on earth science kit. Turn any stone into a shiny treasure!
- 100% SATISFACTION GUARANTEE - Join the millions of parents who have chosen our award-winning science toys and experience the Discover with Dr. Cool difference! Includes 2 year manufacturer warranty.
9. MJR Tumblers Dual Barrel

7.4/10 our score
- Make sure this fits by entering your model number.
- Heavy duty 16 gauge welded steel frame, powder coated to be scratch and corrosion resistant
- Rubber coated 3/8" diameter steel rollers
- Industrial duty flanged STAINLESS STEEL BALL BEARINGS (no plastic sleeve bearings to wear out)
- Heavy duty motor with automatic thermo overload protection - intended for continuous use
- Commercial grade plastic barrel that seals to be water and air tight, tapered neck for easy loading and unloading