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Rock Tumblers Comparison - January 2025
7 Best Rock Tumblers In Canada
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchantโs customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, youโll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
Overview: Rock tumbling is a great way to turn rough stones into beautiful, polished gems. With so many brands and models to choose from, it can be difficult to know which one is right for you. Our reviews provide an unbiased look at different rock tumblers, so you can find the best one for your needs.
KomeStone K1 Large 2.5LB Barrel Professional Rock Polisher Tumbler Kit, with Advanced 3-Speed Motor & 9-Day Timer, 6 Belts, Rough Gemstones, Polishing Grits etc, Science STEM Gift for Kid Adult
Model
Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy
Model
NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler Kit with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Educational STEM Science Kit
Model
NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Learning Guide, Great Stem Science Kit
Model
Large 2.5LB Professional Rock Tumbler Kit, 3-Speed Motor & 9-Day Timer, Rubber Barrel, Quiet Rotary Stone Polisher with 6 Belts, Rough Gemstones, 4 Polishing Grits, for Adults Kids
Model
NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit-Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings and detailed Learning Guide - Great STEM Science kit for Mineralogy and Geology Enthusiasts
Model
Rock Tumbler Kit 2.5lbs XL Barrel Rock Tumbler for Adults Kids Rock Polisher Tumbler Kit LCD Display 9-Speed Motor 9-Day Timer 2.5lbs Rough Gemstones 4 Polishing Grits Complete STEM Science Hobby Kit
Brand
KomeStone
Brand
Dan&Darci
Brand
Blue Marble
Brand
Blue Marble
Brand
KoolStone
Brand
Blue Marble
Brand
Acmeenjoy
Reviews
5,064 reviews
Reviews
25,167 reviews
Reviews
10,656 reviews
Reviews
70,137 reviews
Reviews
3,915 reviews
Reviews
29,550 reviews
Reviews
15 reviews
Features
Worth the money
9.4
Worth the money
8.9
Worth the money
8.6
Worth the money
8.9
Worth the money
8.4
Worth the money
8.6
Worth the money
7.7
Simple to use
9.6
Simple to use
9.4
Simple to use
9.1
Simple to use
9.1
Simple to use
8.6
Simple to use
8.6
Simple to use
7.6
Giftable
9.4
Giftable
9.3
Giftable
8.9
Giftable
8.9
Giftable
8.4
Giftable
9.1
Giftable
8.1
Tech Specs
customer reviews
4.5 4.5 out of 5 stars 1, 688 ratings 4.5 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 8, 389 ratings 4.4 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 3, 552 ratings 4.4 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 23, 379 ratings 4.4 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 1, 305 ratings 4.6 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 9, 850 ratings 4.3 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 5 ratings 4.2 out of 5 stars
manufacturer recommended age
8 years and up
manufacturer recommended age
8 years and up
manufacturer recommended age
8 years and up
manufacturer recommended age
8 years and up
manufacturer recommended age
8 years and up
manufacturer recommended age
8 years and up
manufacturer recommended age
-
educational objective s
Patience, Observation, Creativity
educational objective s
STEM
educational objective s
STEM
educational objective s
STEM
educational objective s
STEM Science
educational objective s
STEM
educational objective s
-
batteries included
No
batteries included
No
batteries included
No
batteries included
Yes
batteries included
No
batteries included
No
batteries included
-
batteries required
No
batteries required
No
batteries required
No
batteries required
No
batteries required
No
batteries required
No
batteries required
-
material type s
Tyre grade rubber, Please reach out via our customer service email: support komestone.com for help for any issues or if you have missed Amazon's 30-day return window, Top quality of stainless steel
material type s
-
material type s
Steel
material type s
Rubber
material type s
1. Tyre grade rubber barrel and top-quality stainless steel. 2. If you received the package and missing parts or damaged, no worries, please feel free to reach out at: support ikoolstone.com to take the replacemenet. 3. Any problems before purchasing, please reach out at: support ikoolstone.com to get the answer.
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1
KomeStone
KomeStone K1 Large 2.5LB Barrel Professional Rock Polisher Tumbler Kit, with Advanced 3-Speed Motor & 9-Day Timer, 6 Belts, Rough Gemstones, Polishing Grits etc, Science STEM Gift for Kid Adult
K1 Classic Edition: Classic appearance design, elevating fun, simplicity, and flexibility beyond basic tumblers with advanced features.
DIVE INTO THE FUN ROCK TUMBLING: KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones, you will be very excited to see the rocks changes with each cycle. That will be a good lesson on patience and geology for kids or a good idea for mom's jewelry making.
COMES WITH EVERYTHING YOU NEED: Including the tumbler machine, the barrel, 1lb rough rocks, 3 belts, 4 polishing grits and ceramic filler media (As a gift in package) and other accessories, etc. Especially the full-color Instruction book, detailed and clear to follow, even a 8 year old kid knows how to use it independently.
Belts are consumable, Please ๐ซ๐๐๐๐ก ๐จ๐ฎ๐ญ ๐ญ๐จ ๐ฎ๐ฌ ๐๐จ๐ซ ๐ ๐๐ฑ๐ญ๐ซ๐๐ฌ ๐๐จ๐ซ ๐ฌ๐ฉ๐๐ซ๐ ๐ฎ๐ฌ๐( ๐๐๐๐๐ $๐๐)! If you need anything else, don't worry, all accessories are also sold separately.
2023 NEW UPGRADE & ADVANCED FEATURES: Built with LCD screen, 9-day setting timer display, 3 speed controls, and pause & resume function. These allow you to have different polishing recipes and steps. That means you can try to make the stone polish brighter, that's more fun.
2.5 LB EXTRA LARGE CAPACITY & QUIETER: We use the 100% soft rubber barrels which can absorb the impact of the tumbling rocks and itโs 75% quieter than that of other plastic drums, which likes the sound of a working dishwasher. With 2.5lbs extra large barrel, that means you can polish more rocks at once than 1 lb drum.
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9.4
2
Dan&Darci
17% Off
Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy
9.4Simple to use
9.3Giftable
8.9worth the money
Main highlights
Turn rough rocks into polished gems: Discover and learn the fun process of rock tumbling with the Advanced Rock Tumbler. Pour in the rough stones and grit and let the machine do its job!
Powerful quality: 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.
Complete kit: Includes: 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.
Advanced features: Includes speed controls (providing more granular tumbling results), a 9-day timer (shuts off automatically when you desire), all displayed on beautiful LCD screens.
A fun and educational gift for all ages: It's not often that a science project can be fun and engaging, but this kit achieves both! It fascinates children and adults as soon as they pull it out of the box and is a perfect STEM project for any age. It fosters a love for science, geology and mineralogy in a fun and exciting way.
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9.3
3
Blue Marble
17% Off
NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler Kit with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Educational STEM Science Kit
9.1Simple to use
8.9Giftable
8.6worth the money
Main highlights
USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher! Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine!
HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right!
CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some! You get 453 g of rough rocks with 9 different types of gemstones inside, 5 jewellery fastenings, tumbler grit, a strainer, and our innovative new GemFoam rock polisher.
A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid is 75% quieter overall than plastic tumbler barrels.
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Popularity
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Value for money
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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
BestChoices.com compares product attributes to price, examines tech specs, ratings and reviews, and more.
When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
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9.4 
9.7
1KomeStone
