10 Best
Tumbler Stones
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Product Highlights- High quality - 8 pounds of 500 graded silicon carbide grit (pre-polish)
- Compatible with any brand of rock tumbler
- 8 lb tumbler media grit,pre-polish 500 silicon carbide grit, step 3 for tumbling stones,rock polishing grit media, works with any rock tumbler
- Use to develop rocks for final polishing (step 3)
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Product Highlights
- Rock polishing grit – there are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler
- Detailed learning guide – the learning guide includes polishing instructions along with fascinating information about the stones in the kit
- Enormous variety - this rock tumbler refill kit has 2.26 kilograms of unpolished rocks and gemstones consisting of a 453-gram gemstone mix, 453-gram agate mix, 453-gram madagascar mix, 453-gram jasper mix, and 453-gram petrified wood mix
- Jewellery settings – once your rocks are polished, use the 5 included jewellery settings to create beautiful keepsakes or use the included storage pouch to keep your favourite specimens all in one place
- 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!
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- A tumbler thats made to last “ our high-quality tumblers are made with a durable motor thats 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.
- 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.
- 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 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!
- 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.
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- Improve your rock tumbling results – ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches
- Works with any rock tumbler – the tumbling supplies in this set are safe to use with any rock tumbler. the tumbling grit, ceramic pellets, and gemfoam together improve rock tumbling performance and yield impressive results
- Quality grit results in a dazzling polish - the rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage
- Brand new way to make tumbled rocks shine – gemfoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results!
- 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!
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- 2 years warranty - special bonus just for you! the warranty covers accessories replacement, techical support, 𝟐𝟒/𝟕 𝐜𝐥𝐚𝐢𝐦 𝐡𝐨𝐭𝐥𝐢𝐧𝐞 and so on. 𝐌𝐚𝐤𝐞 𝐲𝐨𝐮𝐫 𝐦𝐨𝐧𝐞𝐲 𝐰𝐨𝐫𝐭𝐡 𝐞𝐯𝐞𝐫𝐲 𝐩𝐞𝐧𝐧𝐲.
- 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.
- 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, 6 belts and 4 polishing grits and ceramic contact media, sifter, jewelry fastenings, and illustrated tutorial guide. just tumbling right away!
- Belts are consumables, so we'd like to offer extra 5 belts for spare use. 𝐏𝐥𝐞𝐚𝐬𝐞 𝐚𝐝𝐝 𝐭𝐡𝐢𝐬 𝐥𝐢𝐬𝐭𝐢𝐧𝐠 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐰𝐢𝐬𝐡 𝐥𝐢𝐬𝐭 𝐚𝐧𝐝 𝐭𝐡𝐞𝐧 𝐫𝐞𝐚𝐜𝐡 𝐨𝐮𝐭 𝐚𝐭: 𝐬𝐮𝐩𝐩𝐨𝐫𝐭@𝐢𝐤𝐨𝐨𝐥𝐬𝐭𝐨𝐧𝐞.𝐜𝐨𝐦 𝐭𝐨 𝐠𝐞𝐭 𝐭𝐡𝐞 𝐟𝐫𝐞𝐞 𝐛𝐞𝐥𝐭𝐬 (𝐰𝐨𝐫𝐭𝐡 𝟏𝟎𝐔𝐒𝐃).
- 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.
- 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.
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- Four grades of grit - coarse, medium, fine, polish. transform your stones from rough rocks to dazzling gemstones!
- Learning guide - our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts
- Gemstones of nine varieties - tiger’s eye, amethyst, aventurine, rose quartz, red jasper, agate, sodalite, dalmatian jasper, hematite. (1.36 kg in total)
- Jewelry fastenings: 1 necklace, 1 set of earrings, 1 keychain, 1 ring. create custom jewelry from your newly polished gemstones!
- 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!
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Product Highlights
- 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.
- 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.
- 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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- 90-day refund guarantee & 2-year warranty. 24-hour customer service support line: 𝘀𝘂𝗽𝗽𝗼𝗿𝘁@𝗸𝗼𝗺𝗲𝘀𝘁𝗼𝗻𝗲.𝗰𝗼𝗺. we are always here to help. 𝐑𝐞𝐚𝐜𝐡 𝐨𝐮𝐭 𝐭𝐨 𝐮𝐬 𝐝𝐢𝐫𝐞𝐜𝐭𝐥𝐲 𝐟𝐨𝐫 𝐫𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐨𝐫 𝐫𝐞𝐟𝐮𝐧𝐝, 𝐚𝐧𝐲 𝐢𝐬𝐬𝐮𝐞𝐬 𝐰𝐢𝐥𝐥 𝐛𝐞 𝐬𝐨𝐥𝐯𝐞𝐝 𝐭𝐢𝐦𝐞𝐥𝐲 𝐰𝐢𝐭𝐡 𝐚 𝐩𝐞𝐫𝐟𝐞𝐜𝐭 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧!
- 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.
- 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.
- For any issues, please be patient we promise to solve all problems timely. 𝐘𝐨𝐮𝐫 𝟏𝟎𝟎% 𝐬𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 𝐢𝐬 𝐨𝐮𝐫 𝐠𝐨𝐚𝐥.
- 🎁 🎁 🎁 belts are consumable, you can contact us for 5 extra belts for free (𝐖𝐎𝐑𝐓𝐇 $𝟏2).
- 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.
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- [complete kit] 5 step grit pack and ceramic filler for use in 15 lb. tumbler or five 3 lb. tumbles. coarse grit, medium grit, pre-polish grit, grit, polypropylene plastic poly filler pellets and instruction guide.
- [compatible with any brand tumbler] tumbler-polishing-grit-refill-kit-for polishing agate-jasper-sea glass- gemstones turquoise sun stones obsidian quartz crystals healing stones.
- [5 steps] just measure in the grit, add enough water to cover the stones, seal the barrel, and tumble. we suggest 2 tbsp of grit per pound of stones, which is a good rule of thumb.
- [package contents] 1 pound, step #1 coarse grit; 1 pound, step #2 medium grit; 0.5 pounds, step #3 pre-polish; 0.5 pounds, step #4 final polish. includes 3.5 pounds of polishing grit + poly plastic pellets. includes a clear instruction guide on how to use the grits and plastic pellets.
- [win-win] brave finder respect and put buyers' needs first. we're always here to help if any question.
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Product Highlights
- A tumbler that's made to last - the durable motor allows you to tumble multiple batches of rocks. an improved, leak-proof barrel is lined with rubber for quieter operation while tumbling on the sturdy tumbler base.
- Easy to use and educational - detailed tumbler instructions lead you step-by-step through the rock tumbling process, a full-color learning guide details how rocks are naturally polished and has fascinating facts about the gemstones in the kit.
- Create your own gemstones - rock tumbling is a hugely popular hobby for kids and adults! this starter 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 ½ a pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, and our four-stage rock polishing grit.
- 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.
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