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Top 10 Best Rock Tumblers for Polishing Stones

Rock tumblers are super fun - and you get to see your tiny rocks turn into shiny rocks!

Positive feelings from past customers

  • The noise doesn't bother anyone

  • The granddaughters can make jewelry

Negative feelings from past customers

  • The kit comes with a paltry amount of grit

  • The tumbler runs fast,

  • Much noisier than anticipated

The Advanced Professional Rock Tumbler Kit is the perfect way to get started in the exciting world of rock tumbling. This complete rock tumbling kit includes everything you need to produce beautiful, polished rocks. The digital 9-day polishing timer ensures perfect results every time, and the included rock polishing grits allow you to achieve a high-quality polish on your rocks. This professional-grade rock tumbler is also backed by a 1-year warranty, making it the perfect choice for serious rock tumblers.


The Advanced Professional Rock Tumbler Kit lets you turn rough rocks into polished gems. It comes with a rock tumbler machine, low-noise barrel, 4 grit packets, 1/2 lb. of assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, and an illustrated easy-to-follow instruction and learning guide booklet. The tumbler runs on a powerful heavy duty motor that will last for a very long time, and includes a leak-resistant barrel that runs quieter than the other brands. The tumbler also has speed controls and a 9-day timer, both of which are displayed on beautiful LCD screens. This is a fun and educational gift for all ages that fosters a love for science, geology, and mineralogy in a fun and exciting way.


The majority of users who have rated this product give it a five-star rating, while only four percent give it a one-star rating.


According to user reviews, the Advanced Professional Rock Tumbler Kit is a great science and STEM gift for kids of all ages. It comes with a digital 9-day polishing timer and 3 speed settings, making it easy to turn rough rocks into beautiful gems. It's also a great geology toy for kids who are interested in rocks and minerals.

$99.99 AT AMAZON

Positive feelings from past customers

  • Easy to use

  • Produces beautiful results

  • Quiet

  • Durable

  • Perfect for beginners

Negative feelings from past customers

  • It can be difficult to take the lid off

  • It's a little loud

The CAYAMA Professional Rock Tumbler kit is a great way for kids and adults to learn about rocks and minerals. The tumbler comes with 1.5 pounds of rocks, a tumbler barrel, a polishing media, and a rock polisher. The tumbler barrel is made of durable plastic and can be used over and over again. The media and polisher are made of high quality materials and will last for years. The tumbler is easy to use and is a great way to teach kids about the natural world.


The CAYAMA Professional Rock Tumbler kit is a great gift for kids and adults alike. It comes with a 1.5LB barrel, four-stage premium rock grit, TPE plastic particles, and a durable motor. The kit also includes a sifter, barrel brush, and rough stones.


The vast majority of users who have rated this product give it high marks, with only a few giving it lower ratings. There is nearly unanimous praise for the product across the board.


According to user reviews, the CAYAMA Professional Rock Tumbler kit is a great product for kids and adults who are interested in learning about rocks and gemstones. The tumbler comes with a 9-day timer, 3-speed motor, 4 polishing grits, and a rough stone. It is also a great STEM hobby project for boys and girls aged 8-12.

$59.99 AT AMAZON

Positive feelings from past customers

  • Easy to use

  • Good quantity of grit for the price

  • Did its job

  • All the jars previously opened but sold as new

  • Good quality but arrived broken

Negative feelings from past customers

  • No instructions in the box

  • Reluctant to buy this brand again though

The Brave Finder Professional Rock Tumbler Kit - Rock Polisher Tumbler is a great way to learn about rocks and how to polish them. This tumbler comes with everything you need to get started, including a rock polisher, tumbling media, and a rock tumbler guide. The tumbler has a durable construction and is easy to use, making it a great choice for kids and adults alike.


This Brave Finder Professional Rock Tumbler Kit is an excellent quality rock tumbler with all the necessary components and features to yield beautiful stones. The kit comes with 4 polishing refill grits, 1 Rock Tumbling Filler media, 10 assorted rough rocks, and an instruction & learning guide booklet. The tumbler is easy to use with simple instructions and digital LCD screens with a 9-Day Polishing shutoff feature & 3 Speed Settings for each tumbling cycle. The tumbler is also durable and quiet with a rubber barrel and silicone Non-slip feet. This is the ideal gift for Christmas, Children's Day, Birthday, Thanksgiving Day, and Easter.


The sentiment is overwhelmingly positive, with 76% of users giving the product a five-star rating. Just 2% of users gave it a one-star rating.


According to user reviews, the Brave Finder Professional Rock Tumbler Kit is an easy to use and fun rock polishing kit for kids and adults. It comes with a digital 9-day polishing timer and 3 speed settings, 4 polishing grits, and rough gemstones. The stem science kit also makes it a great learning tool for kids.

$56.99 AT AMAZON

Positive feelings from past customers

  • The tumbler is quiet

  • The tumbler is easy to use

  • The tumbler is sturdy

  • The tumbler is compact

Negative feelings from past customers

  • It is noisy

  • The grits get used up quickly

  • The lid is difficult to screw on and off

The National Geographic Rock Tumbler Kit is the perfect way to get started in the fascinating hobby of rock tumbling. This kit includes high-quality rough gemstones, enough to get you started tumbling right away. The included tumbler is durable and easy to use, and the polishing grits will give your rocks a high-quality shine. This kit is a great way to learn about the rock tumbling process and create beautiful polished rocks.


The National Geographic Hobby Rock Tumbler Kit lets you create your own polished gemstones from rough rocks. It is a complete kit that comes with the tumbler, four polishing grits, sifter, nine types of real rough gemstones, and a detailed full-color learning guide. The tumbler is made with a durable motor that is designed to last for years and has a leakproof rubber barrel that reduces sound, making it 75% quieter than other plastic models. The tumbler is easy to use with simple instructions and one-touch settings. The one-touch timer and automatic shutoff feature lets you control the number of days for each tumbling cycle. This is a great gift for kids that is high quality and educational.


The sentiment is very positive, with 74% of users giving the product 5 stars. Only 5% of users gave it 1 star.


According to user reviews, the National Geographic Hobby Rock Tumbler Kit is an excellent stem science kit hobby kit that includes rough gemstones, 4 polishing grits, jewelry fastenings, and a learning guide. The tumbler is easy to use and the included gemstones are of great quality. The polishing grits work well, and the jewelry fastenings are very sturdy. The learning guide is very informative and helps users get the most out of the tumbler. Overall, this is an excellent rock tumbler kit for anyone interested in learning about rocks and gemstones, or for anyone who simply wants to have fun polishing rocks.

$69.99 AT AMAZON

Positive feelings from past customers

  • The machine is sturdy

  • The barrel is exceptional

  • There is an extra drive belt included

  • The overall operation of this unit is smooth

  • It is easy to use

Negative feelings from past customers

  • The media could not be loaded.

The National Geographic Rock Tumbling Kit is perfect for anyone who loves rocks and wants to learn more about them. The kit includes an extra-large capacity rock tumbler, polishing grit, and a guide to help you get started. With this kit, you'll be able to polish rocks to a shine and learn all about the different types of rocks.


The National Geographic Rock Tumbling Kit lets you create your own gemstones at home. The simple operation and durable design make it easy to turn rough rocks into polished gemstones. This tumbling kit comes with everything you need: 3 lbs. of raw rocks with 9 types of gemstones, 5 jewelry fastenings, grit, strainer & GemFoam for a dazzling shine! The National Geographic Rock Tumbling Kit is a great gift for kids and adults who love rock polishing and gemstone creation.


Overall, users seem to be quite happy with the product, with over 77% of ratings being 5 stars. However, there are still a significant number of 1 star ratings, at 4%.


According to user reviews, the NATIONAL GEOGRAPHIC Rock Tumbling Kit is a great product for those interested in rock tumbling, jewelry making, and STEM education. The kit comes with everything necessary to get started, including 3lbs of rough gemstones, 4 polishing grits, and jewelry fastenings. The extra large capacity tumbler is perfect for larger projects, and the included educational booklet is a great resource for learning about the rock tumbling process. Reviewers also note that the customer service team is responsive and helpful, making this an overall great product.

$112 AT AMAZON

Positive feelings from past customers

  • Easy to use

  • Produces beautiful results

  • Good value for the money

  • Keeps rocks polished for a long time

  • Polishes rocks well

Negative feelings from past customers

  • The grit did not make their rocks shiny

  • The product is not labelled

  • The final polish is no good

& Polishers The National Geographic Rock Tumbler Grit is a rock polishing grit media that is perfect for use with rock tumblers and polishers. This grit is made of high quality materials and is designed to be long lasting. The National Geographic Rock Tumbler Grit is a great way to create beautiful, polished rocks.


The National Geographic Rock Tumbler Grit - Rock Polishing Grit Media is a high-quality product that comes with enough silicon carbide grit to polish up to 20 lbs. of rocks, gems, glass, and more. The four-stage rock grit provides initial shaping, smoothing of rock surfaces, pre-polishing of rocks, and a final polish. The rock tumbler grit refill kit is compatible with all rock tumblers and is easy to measure and store. The high-quality educational toy is backed by exceptional service.


The sentiment is positive, with 79% of reviews being five stars.


According to user reviews, the NATIONAL GEOGRAPHIC Rock Tumbler Grit - Rock Polishing Grit Media is an excellent product that polishes up to 20 lbs. of rocks. It works with any rock tumbler, rock polisher, or stone polisher and is a great way to learn about rocks and geology.

$23.99 AT AMAZON

Positive feelings from past customers

  • Comes with everything you need

  • Easy to follow instructions

  • Quiet

  • Good quality

Negative feelings from past customers

  • Takes a long time for results

  • Can be loud

  • Some rocks may disappear during tumbling

  • Spare barrels are not available for the machine

  • Poor quality grits

The National Geographic Rock Tumbler Kit is perfect for kids and adults who want to learn about the fascinating hobby of rock tumbling. This kit comes with everything you need to get started, including rough gemstones, polishing grit, a tumbler, and full-color learning guide. The tumbler is easy to use, and the gemstones can be polished to a brilliant shine. The included learning guide will teach you everything you need to know about rock tumbling, and you'll have a great time doing it!


The NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit lets you create your own gemstones out of everyday rocks. It is a complete hobby tumbling kit that comes with a tumbler, four polishing grits, sifter, nine types of real rough gemstones, and a detailed full-color learning guide. The tumbler is made with a durable motor that’s designed to last for years and is 75% quieter than other plastic models. The one-touch timer and automatic shutoff feature make it easy to use. This is a great gift for kids.


The vast majority of users who have rated this product give it a five-star rating, while only a small minority give it a one-star rating. This indicates that overall, users are very satisfied with the product.


According to user reviews, the NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit is a great stem science kit hobby kit that includes rough gemstones, 4 polishing grits, jewelry fastenings, and a learning guide. The tumbler kit is said to be easy to use and great for beginners. It is also a great gift for kids who are interested in rocks and gemstones.

$69.99 AT AMAZON

Positive feelings from past customers

  • Good value for the money

  • Keeps rocks polished for a long time

  • A lot of product for the price

  • Produces beautiful results

  • Easy to use

The National Geographic Rock Tumbler Grit is a rock polishing grit media that is perfect for use with rock tumblers. This grit media comes with a variety of different grits, so you can find the perfect one for your needs. The National Geographic Rock Tumbler Grit is also non-toxic and safe for use, so you can be sure that your rocks will be polished to perfection.


The National Geographic Rock Tumbler Grit comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 20 lbs. of rocks, gems, glass, and more. The four-stage rock grit provides initial shaping, smooths rock surfaces, pre-polishes rocks, and provides the final polish. The rock tumbler grit is compatible with all tumblers and is easy to measure and store.


The vast majority of users who have rated this product give it a five-star rating, while only a very small minority give it a one-star rating.


According to user reviews, the NATIONAL GEOGRAPHIC Rock Tumbler Grit is an easy to use and efficient product that polishes up to 20 lbs. of rocks. It is also said to work with any rock tumbler, rock polisher, or stone polisher.

$23.99 AT AMAZON

Positive feelings from past customers

  • It is much quieter than other similar products

  • It comes with everything needed to get started

  • It is a fun kit

  • The customer service is great

Negative feelings from past customers

  • It is very loud

  • Takes a long time

The NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit is the perfect way to teach your child about the fascinating process of rock tumbling! This high-quality tumbler is durable and leak-proof, making it a great choice for kids and adults alike. The kit includes everything you need to get started, including rocks, grit, and a polishing compound. With this fun and educational kit, your child will be able to create beautiful, polished rocks that they can display with pride.


The National Geographic Starter Rock Tumbler Kit is a great way to create beautiful polished gemstones. The simple operation and durable design make it easy to turn rough rocks into beautiful gemstones. The all-in-one kit includes everything you need to get started, including a detailed tumbler instruction booklet, a full-color learning guide, and a satisfaction guarantee.


The majority of users give the app a five-star rating, while a small minority give it a one-star rating. This indicates that overall, users are satisfied with the app.


According to user reviews, the NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit is a great product for kids who are interested in geology and rock tumbling. The kit is complete and includes everything needed to get started, including a durable rock tumbler, polishing grit, rocks, and instructions. The tumbler is leak-proof and easy to use, making it a great STEM activity for kids. The kit is also a great value, with many users saying it is worth the price.

$49.99 AT AMAZON

Positive feelings from past customers

  • The machine is easy to use and set up

  • The noise doesn't bother anyone

  • The tumbler works well and is reasonably priced

  • There are some findings included for finished rocks

  • The instructions are reasonably good

Negative feelings from past customers

  • The tumbler runs fast,

  • Much noisier than anticipated.

The Advanced Professional Rock Tumbler Kit is perfect for anyone interested in learning about or collecting rocks. This kit comes with a digital 9-day polishing timer, allowing you to achieve a high-quality polish on your rocks. The tumbler also has a durable design, making it perfect for long-term use.


The Advanced Professional Rock Tumbler Kit is a great way to turn rough rocks into polished gems. The kit includes a rock tumbler machine, low-noise barrel (1 lb. capacity), 4 grit packets, 1/2 lb. assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, and an illustrated easy-to-follow instruction and learning guide booklet. The rock tumbler runs on a powerful heavy duty motor that will last for a very long time, and includes a leak-resistant barrel that runs quieter than the other brands. The advanced features of the rock tumbler include speed controls (providing more granular tumbling results), a 9-day timer (shuts off automatically when you desire), all displayed on beautiful LCD screens. The rock tumbler makes a great gift for all ages as it is both a fun and educational gift.


The vast majority of users who have rated this product give it high marks, with only a small minority giving it poor ratings.


According to user reviews, the Advanced Professional Rock Tumbler Kit is an excellent product for those interested in turning rough rocks into beautiful gems. It comes with a digital 9-day polishing timer and three speed settings, making it easy to use and customizable according to each individual's needs. It's also a great science and STEM gift for kids of all ages, as it helps them learn about geology while having fun.

$99.99 AT AMAZON

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