Best rock tumblers: Quick list
(Image credit: National Geographic, DanDarci, Future)1. Best overall
2. Best for professionals
3. Best for small stones
4. Best double barrel
5. Best for beginners
The best rock tumblers make your rocks look impeccable, bringing out their natural beauty. But how do you know which one is right for you?Rock collecting is a hobby that has captivated people of all ages for thousands of years. Historical records in ancient Egypt and India tell stories of communities using tumbling systems to polish rocks used for jewelry making, decoration, and more each of which remains popular today.
First, you must consider what types of rocks youll be polishing. Weight is the most important factor. For example, if you want to polish larger batches of rocks at a time, a six or ten-pound capacity tumbler is a better option than a smaller one. Also, consider how quickly you want the tumbler to work. A vibrating rock polisher will have your rocks clean within ten days, while a rotary rock tumbler is regarded as the most common type and completes the polishing process within 45 days.
A rock tumbler is a necessary purchase for anyone who calls themselves a rock collector, whether youre a beginner or a lifelong geology enthusiast. However, sometimes a rock tumbling hobby can ignite other interests in science for kids. Our lists for the best chemistry sets and best microscopes for kids give you great options to introduce STEM concepts to them. In the meantime, check out the best rock tumblers available now!
Best rock tumblers we recommend in 2024Why you can trust Live Science Our expert reviewers spend hours testing and comparing products and services so you can choose the best ones for you. Find out more about how we test.
Best rock tumbler overall
1. National Geographic Hobby Tumbler The best rock tumbler overall.Our expert review:
SpecificationsPrice: $69.99Age range: 8+Number of barrels: 1Barrel size: 1 lbBarrel material: RubberDimensions: 13.81 x 4.88 x 8.06 inchesWeight: 5.51 lbsReasons to buy+Durable motor+Rubber barrel 75% quieter+One-touch timer and auto-shutoffReasons to avoid-Included stones are poor-qualityThe National Geographic Hobby Tumbler has simple operation and a durable design perfect if youre new to tumbling. One of the things that distinguishes this tumbler apart from similar models is the leak-proof, rubber-construction barrel. This rubber construction helps reduce the amount of noise when the tumbler is in operation, making it one of the quietest models and less likely to disturb the rest of your household.
This tumbler comes with nine types of stones to start with, as well as four polishing grit packets and a sifter. There is a full-color learning guide included with the tumbler that thoroughly explains the process for all ages. The one-touch timer makes it easier to get the tumbling started faster so you can get maximum enjoyment, plus theres also an automatic shutoff for maximum convenience.
Back to the top Best rock tumbler for professionals
2. DanDarci Advanced Professional Rock Tumbler The best rock tumbler for professionals.Our expert review:
SpecificationsPrice: $99.99Age range: 8+Number of barrels: 1Barrel size: lbBarrel material: RubberDimensions: 13 x 10.2 x 5.87 inchesWeight: 6 lbsReasons to buy+Leak-resistant+Speed controls for better tumbling+Easy-read LCD displaysReasons to avoid-Somewhat expensive compared to tumblers with similar featuresThe DanDarci Advanced Rock Tumbler helps even those new to the world of rock tumbling polish like a pro. This tumbler has a nine-day timer, allowing users to let it do its thing and polish the stones while they go about everyday life. With three speed settings, youre in full control. The barrel is quiet, and the tumblers motor is certain to last for years. Unsure of the time remaining or speed? The LCD display will help you there.
Four grit packets and half a pound of rocks come with the tumbler to provide users with a great start. This tumbler also comes with a strainer and a bag. Jewelry enthusiasts will appreciate the inclusion of jewelry fasteners allowing them to use their gemstones in jewelry creations with minimal fuss. The included booklet features a learning guide perfect for all ages, as well as instructions for set-up and use.
Back to the top Best small stone rock tumbler
3. National Geographic Professional Tumbler The best small stone rock tumbler .Our expert review:
SpecificationsPrice: $114.99Age range: 8+Number of barrels: 1Barrel size: 1 lbBarrel material: RubberDimensions: 12.6 x 6.7 x 10.25 inchesWeight: 6.82 lbsReasons to buy+Comes with a polishing foam+Stainless steel lid decreases the risk of leaks+Nine types of stones included for tumblingReasons to avoid-Only works with small stonesWith all the features that make it easy to produce beautifully-polished stones, the National Geographic Professional Tumbler provides the power that you need. A shutoff timer helps you conserve power, and the motor is certain to last with regular, reasonable use. All you need to do is set the desired time and the tumbler will run for the amount of time required. Not only is this tumblers barrel leak-proof, but it also produces less noise than many similar models by as much as 75%, a sure win if quiet operation matters to you.
Four levels of grit and a pound of stones make an excellent starter batch for all ages and everyone will love seeing the results. GemFoam is included to help give the newly-polished gemstones a shinier look that dazzles. The included jewelry fastenings will help you attach the stones to jewelry, increasing what you can do with this kit and providing a great introduction to kids to the fun of jewelry making.
Back to the top Best double barrel rock tumbler
4. Leegol Electric Rock Tumbler Double Drum The best double barrel rock tumbler.Our expert review:
SpecificationsPrice: $89.99Age range: 8+Number of barrels: 2Barrel size: 3 lbs eachBarrel material: RubberDimensions: 16.22 x 8.35 x 8.31 inchesWeight: 4.01 lbsReasons to buy+Rubber-lined barrels run quietly+Comes with replacement belts+Powerful motor does not heat up floor or surfaceReasons to avoid-The lid is a little difficult to close sometimesIf the idea of tumbling multiple batches of rocks is exciting, then you wont go wrong by selecting this double-barrel tumbler from Leegol Electric. Like many other tumblers intended for hobbyists, this model features a relatively quiet operation, so theres no need to worry about homework or sleep time being disrupted!
The Leegol Electric Rock Tumbler comes with an abrasive material made from walnut shells that polishes the rocks, instead of sand. If you want to tumble rocks of different sizes, all you need to do is switch out the density of the abrasive material used.
Like all tumblers, this model uses a process that replicates the ways that gemstones form in nature. Anyone of any age that wants to learn more about rocks and how they form will benefit from using a tumbler. Each barrel holds up to three pounds of rocks, so youll get plenty done with one of these. Both barrels feature a leak-proof design, reducing your chances of having a mess to cope with.
Back to the top Best rock tumblers for beginners
5. National Geographic Starter Rock Tumbler Kit The best rock tumbler for beginners.Our expert review:
SpecificationsPrice: $49.99Age range: 8+Number of barrels: 1Barrel size: 1 lbBarrel material: RubberDimensions: 7.5 x 11 x 9 inchesWeight: 4 lbsReasons to buy+Includes everything needed for a quick start+Perfect for multiple batches+Comes with learning guide detailing the polishing processReasons to avoid-Can be loud, despite the rubber barrel liningRock tumbling is one of the most popular educational activities for all ages and this tumbler certainly helps spark interest. The design is simple enough for even kids to use, but durable. This tumbler is leak-proof so you know everything will stay in place during use.
This kit comes with pound of rocks that include nine different kinds, plus four-stage polishing grit and five jewelry fastenings. Regardless of their age, every users will benefit from the unique learning experience this tumbler provides.
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