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!
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.
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.
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.
IsAdultProduct
2. Large 2.5LB Professional Rock Tumbler Kit, 3-Speed Motor & 9-Day Timer, 100% Rubber Barrel, Rotary Stone Polisher Includes 3 Belts, Rough Gemstones
Belts are consumables, so we’d like to offer extra 3 belts for spare use. Please reach out at: support@ikoolstone.com to get it.
90-Day refund guarantee & 2-Year free replacement, please feel free to reach out us for any issue. We are always here, rain or shine.
START A TUMBLING JOURNEY — Koolstone Rock Tumbler turn rough rocks into polished gems, then you will be very excited to see the stones change with each cycle. That’s a fun process of rock tumbling and a family little project for parent-child endeavor.
2.5LB LARGE CAPACITY & 75% QUIETER — An updated features is that KoolStone Rock Tumbler has a large 2.5LB capacity. Which allows to tumbler more rocks each time. Another improvement is the quieter barrel. Rubber material which has 75% quieter than most plastic barrel.
FASTER POLISHING TIME & BETTER POLISHING RESULTS — 3-speed controls (providing more granular tumbling results), a 9-day timer (with automatic shutoff feature and memory function), all displayed on clear screen, letting you easily hone your settings for precise tumbling each time.
EVERYTHING YOU NEED FOR TUMBLING IS HERE — KoolStone Rock Tumbler has everything you need to create polished gemstones. Rock tumbler, 2.5LB capacity rubber barrel, 1LB for 9 different types of rough gemstones, 3 belts and 4 polishing grits and ceramic contact media, sifter, jewelry fastenings, and illustrated tutorial guide. Just tumbling right away!
90 DAYS REFUND GUARANTEE & 2 YEARS FREE REPLACEMENT — The stardard 30-day return time is always short, so we purposely extend it to 90 days. If you miss Amazon’s 30-day return window, please do not get angry or mat at us and feel free to contact us directly for an easy refund or replacement within 48 hours.
Size
Large
UnitCount
1
3. NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit – Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Learning Guide, Great Stem Science Ki
CREATE YOUR OWN GEMSTONES – Make any stone sparkle and polish everyday rocks into dazzling gemstones! This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
A TUMBLER THAT’S MADE TO LAST – Our high-quality tumblers are made with a durable motor that’s designed to last for years. The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models. An excellent STEM activity for kids.
A COMPLETE HOBBY TUMBLING KIT – Everything you need to create polished gemstones: the tumbler, four polishing grits, sifter, nine types of real rough gemstones, plus a detailed full-color learning guide. Makes a great gift for girls and boys!
EASY TO USE – Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it! This is a great gift for kids.
HIGH-QUALITY EDUCATIONAL TOYS – National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service.
Color
Multicolor
IsAdultProduct
ReleaseDate
2017-08-07T00:00:01Z
Size
One Size
UnitCount
1
4. EARTH’SCODE Rock Tumbler kit – Advanced Professional Tumbling Stone Polisher, STEM Science Kit with Polishing Grits, Rough Rocks into Gemstones, Je
[Create Unique Gemstones] – Rock Tumbler kit is a simple operation and a durable design that can help you easily polish and turn rough rocks into sparkle Gemstones, crystals. Let’s create your own gems now!
[Durable Tumbler] – The Professional tumbler stone polisher runs on a powerful motor with a leak-resistant rubber barrel which makes it quieter than other plastic models, that are made to last a long time.
[Easy to Use] – Advanced rock tumbler comes with easy-to-follow instructions, Digital LCD screens with a 9-Day Polishing Timer & 3 Speed Settings for each tumbling cycle, Pour in the rough stones and grit then let the machine do the job!
[What’s in The Box] – Rock tumbler machine, low-noise barrel, 4 polishing refill grits, 1 Rock Tumbling Ceramic Filler media, 10 assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, an Extra tumbler belt, and an instruction & learning guide booklet. Contains everything for making gemstones, rock collection gems jewelry, and gems decorations.
[Gems Hobby Toy Gift] – Our rock Tumbler science kit is a fun and educational Gems Hobby toy for all ages, a great kids’ gift for a birthday, or Christmas. Excellent STEM activity for adults, 8 years old up boys and girls.
Color
Black
5. KomeStone K1 Large 2.5LB Barrel Professional Rock Tumbler Kit, Advanced 3-Speed Motor & 9-Day Timer & LCD Screen, 100% Rubber Barrel, Comes for a F
Contact us for extra belts at no cost, belts may get break for working day and night, just get more for spare use. Reach out to us via customer service email: support@komestone.com.
2-Year Warranty for Free Exchange and Replacement. For any issues or if you have missed Amazon’s 30-day return window, please reach out via our customer service email: support@komestone.com for refund or replacement.
【POLISH YOUR OWN GEMSTONES】Komestone tumbler kit makes tumbling even easier in an interesting way to turn any rough stones and polish them into super shinning and wonderful gemstones.
【THE ONLY TUMBLER YOU NEED】Built in with the super high quality motor and thicken tier level rubber barrel, both are super durable for lasting for years, three protections for water leakage is an extra big plus for years of use.
【ALL IN ONE HOBBY & EDUCATIONAL TUMBLING KIT】Our KomeStone rock tumbler kit has everything that need for tumbling, including 1LB for 9 types of real rough gemstone rocks, the tumbler and the barrel, 3 belts and 4 polishing grits and ceramic contact media, sifter, screwdriver, Jewelry Fastenings, and illustrated tutorial guide. It’s is a very decent and perfect gift for both children and adults!
【TUTORIAL GUIDE FROM BEGINNERS TO EXPERTS】Make tumbling easy! We created this Instruction & Learning Guide with full-color contents for both beginners and experts.
【2 YEAR WARRANTY IS A BIG PLUS】: 100% Risk-Free Ppurchase + Local Phone Service. The tumbler base or the barrel is protected by 2-Year Warranty for free exchange against manufacturing defects. Please kindly contact us via KomeStone customer service email (support@komestone.com) for free replacement if belts get broken or any parts missing for this kit, and the replacement will be sent out in 12 hours. For any issues, please be patient, we promise to solve all problems. Your 100% satisfaction is our goal.
Color
Brush Motor: K1
Size
11.3 x 9.17 x 5.87 inches
UnitCount
1
6. Professional Advanced Rock Tumbler Kit, Include Rough Gemstones, 4 Polishing Grits, with 3 Speed Settings and Digital 9-Day Timer
COMPLETE ROCK TUMBLING KIT – Everything you need to create polished gemstones: tumbler, low-noise barrel, half pound of gemstones (9 different types), four polishing grits, sifter, jewelry fastenings, detailed full-color learning guide.
TURN ROUGH ROCKS INTO POLISHED GEMS – Make any stone sparkle and polish everyday rocks into dazzling gemstones! Simple operation and durable design.
DURABLE QUALITY – This high-quality tumbler has a powerful motor that will last for years. Noise reducing leak-proof rubber barrel with stainless steel lid.
EASY TO USE – digital 9-day timer (with automatic shutoff feature), 3 speed settings, beautiful LCD screen.
EDUCATIONAL AND FUN GIFT FOR ALL AGES – Rock tumbling is a fun activity for children of all ages and promotes an interest in geology and science. Exquisite packaging, fashionable appearance. If you need more belts or other accessories, please contact our customer service. We will send it to you for free.Please don’t forget, the grit is in the rubber bucket!
IsAdultProduct
7. Professional Rock Tumbler Kits for Adult and Kids, STEM Project-3LB Large Capacity Rock Polisher, Durable Special Belt, Quality Rocks, Speed&Time C
3LB Large-capacity Rubber Barrel-The improved double leak-proof closure barrel features a large 3LB large-capacity and an updated stainless-steel lid and reinforced cover. It’s also 75% quieter than most plastic barrels, thanks to a layer of tire rubber that absorbs sound.
Advanced Features-3-speed controls (providing more granular tumbling results), a 9-day timer (with automatic shutoff feature and memory function), all displayed on clear LCD screens, letting you easily hone your settings for precise tumbling every time.
24 days Entire Cycle-After thousands of tests in different density grip on all polishing cycles, we have configured the most effective polishing grip for each cycle through rigorous testing to create dazzling polishing results within 24 days (The entire cycle is 7 days shorter than other machines.)
TPE Plastic Particles for Dazzling Results-This rock polisher kit stands apart from others thanks to our exclusive reusable TPE plastic particles. Adding them on cycles 2-4 to reduce rock breakage for incredible shine.
All-in-one Rock Tumbler Kit-This complete kit has everything you need to create polished gemstones. Rock tumbler, four polishing grits, 1lb quality rough stone (tiger eye and jasper), reusable TPE plastic particles,Extra durabe belt, power cord, screwdriver, filter mesh bag, educational user manual. Discover and learn the fun process of rock tumbling with this professional rock tumbler.If your experience is anything less than extraordinary, let us know so we can make it right for you.
Size
Large
8. NATIONAL GEOGRAPHIC Rock Tumbling Kit – 3LB Extra Large Capacity, 3LB Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, an Educational STEM S
CREATE YOUR OWN GEMSTONES – Rock tumbling is a hugely popular hobby for kids and adults! This professional rock polisher makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
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.
ALL-IN-ONE TUMBLING KIT – This kit has everything you need and then some! You get three pounds of rough rocks with nine different types of gemstones inside, five jewelry fastenings, grit, a strainer, and our innovative new GemFoam rock polisher.
USE GEMFOAM FOR DAZZLING RESULTS – This rock polishing 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!
SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.
IsAdultProduct
ReleaseDate
2021-11-01T00:00:01Z
Size
Large
UnitCount
1
9. VIYUKI Rock Stone Tumbler Machine- Double Drum 6LB Lapidary Polisher for Kids Adults (Double Barrel), Includes Rough Gemstones, 8 Polishing Grits,
⚠ NOTE: Please kindly contact us for free replacement if the barrel and belt get broken or if any parts missing from this kit, and the new one will be shipped out in 24 hours. For any issues, we ask you to be patient, we promise to solve all problems. Your 100% satisfaction is our goal.
🎃🎁EASY TO CREATE YOUR GEMSTONES – Rock tumblers for kids are a fantastic and exciting activity for children of all ages. Easy operation and durable design. Learn the fun process of rock tumbling with this beginners/professional rock stone tumbler. It will turn rough rocks into beautifully polished gemstones. It is a hugely popular hobby for kids and adults!
🎃🎁A ROCK TUMBLER MACHINE MADE TO LAST – Our high-quality tumblers are made with a metal case and durable motor that’s designed to last for years. The 2X3LB leakproof rubber barrel reduces sound, making it quieter than other plastic models. Excellent STEM activity for adults/kids.
🎃🎁COMPLETE ROCK TUMBLER KIT –Rock tumbler for adults, Includes rock stone tumbler base, Replacement tumbler belt(5pc), 6-pound capacity barrel for grinding more Stones,2 bag assorted gems 2Lb(920g)，8 bags polishing grits for 4 Steps,5 jewelry settings and 1 operating detailed instruction guide. That will ensure a great finished product.
🎃🎁6LB ROCK TUMBLER EASY TO USE – Simple hobby rock tumbler kit and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it, and forget it! This is an ideal Christmas gift for kids.
🎃🎁A FUN AND EDUCATIONAL GIFT: Rough gemstones for a rock tumbler, Make any stone sparkle, and polish everyday rocks into dazzling gemstones! It fascinates children and adults when they open the box. It fosters a love for science, geology, and mineralogy in a fun and exciting way.
10. AliKids Thumler s Tumbler Heavy Duty Rotary Rock Tumbler
Continuous-duty motor is fan-cooled, with overload protection
Steel hexagon barrel with removable rubber lining for long, efficient, and quiet operation
5-year guarantee on barrel and liner
Color
Red
Size
Large
Factors You Need to Consider When Buying Rock Tumbler For Adults from Online Stores
When buying a good Rock Tumbler For Adults, you should consider a few things. There are various factors that you need to take note of if you want to make the right choice. The following are some of the things you should look into before making a final decision.
What are the Benefits of Buying It?
The first thing you need to do is to think about why you need the Rock Tumbler For Adults in the first place. There are different reasons why you might want to buy it. The most important thing is to find out whether the Rock Tumbler For Adults will provide you with all the benefits that you need. Are there any additional features that it has?
What is the Price?
The next thing to consider is the price of the item. You should be able to find out the price of the Rock Tumbler For Adults before you decide to make a purchase. It is important to know the price of the Rock Tumbler For Adults before buying it. However, you must know that the price may vary according to the brand, the Rock Tumbler For Adults group, and the location.
What is the Quality of the Rock Tumbler For Adults?
The quality of the Rock Tumbler For Adults is the next thing that you need to consider when buying a good Rock Tumbler For Adults. You need to know if the Rock Tumbler For Adults will provide you with all the quality that you need. The quality of the Rock Tumbler For Adults is important because it will ultimately determine the performance of the Rock Tumbler For Adults.
How Can You Use It?
The last factor that you should consider when buying a good Rock Tumbler For Adults is how you can use it. It is important to know how you can use the Rock Tumbler For Adults before buying it.
Final Words
When looking for a good product to buy, it is important to consider factors such as price, quality, and features. Ultimately, it is up to the individual to decide which product is best for them.
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