Top 10 Rock Tumbler Kit – Kids’ Rock Tumblers

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1. NATIONAL GEOGRAPHIC

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4 Polishing Grits, Learning Guide, Jewelry Fastenings, NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit, Includes Rough Gemstones, Great Stem Science Kit

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NATIONAL GEOGRAPHIC #ad - An excellent STEM activity 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.

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. The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models.

A tumbler that's made to last – our high-quality tumblers are made with a durable motor that’s designed to last for years. Makes a great gift for girls and boys! A complete hobby tumbling kit - everything you need to create polished gemstones: the tumbler, nine types of real rough gemstones, four polishing grits, sifter, plus a detailed full-color learning guide. Easy to use – simple instructions and one-touch settings make rock tumbling fun and easy.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc #ad
Height8.06 Inches
Length13.81 Inches
Weight5.51 Pounds
Width4.88 Inches
Part NumberNGHOBBYTUMBLER
ModelNGHOBBYTUMBLER
WarrantyNo Warranty

2. Dan&Darci

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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, Advanced Professional Rock Tumbler Kit

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Dan&Darci #ad - It fosters a love for science, geology and mineralogy in a fun and exciting way. Assorted rough rocks, low-noise barrel 1 lb. 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.

Capacity, 4 grit packets, mesh strainer, and an illustrated easy-to-follow instruction and learning guide booklet. 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, jewelry fasteners, gem storage bag, 1/2 lb.

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.
BrandDan&Darci #ad
ManufacturerDan&Darci #ad
Height5.51 Inches
Length12.99 Inches
Weight6.77 Pounds
Width9.06 Inches
Part NumberDD-007.2
ModelDD009

3. NATIONAL GEOGRAPHIC

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Geology Hobby Science Kit, Rocks and Crystals for Kids, Durable Leak-Proof Rock Polisher for Kids, Complete Rock Tumbling Kit, A Great STEM Activity, NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit

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NATIONAL GEOGRAPHIC #ad - 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.

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. An improved, leak-proof barrel is lined with rubber for quieter operation while tumbling on the sturdy tumbler base. A tumbler that's made to last - the durable motor allows you to tumble multiple batches of rocks.

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.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerDiscover with Dr. Cool #ad
Height9 Inches
Length7.5 Inches
Weight4 Pounds
Width11 Inches
Part NumberNGTUMBLER2
ModelNGTUMBLER2
Warranty30 day warranty against manufacturer defects

4. KomeStone

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Rough Gemstones, 4 Polishing Grits etc., Science STEM Gift, K1 Professional Rock Polisher Kit, KomeStone Extra Large 2.5 LB Barrel Rock Tumbler Kit, with 3-Speed Motor 9-Day Timer-Include 3 Belts

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KomeStone #ad - Please kindly contact us for free replacement if the barrel and belt get broken or any parts missing for this kit, and the new one will be shipped out in 24 hours. Your 100% satisfaction is our goal. Polish your own gemstones: komestone tumbler kit makes tumbling even easier in an interesting way, etc, collection, craft, it works for getting rouhgh and raw rocks smooth enough to use for jewlery, .

It's is a very decent and perfect gift for both children and adults! . For any issues, we ask you to be patient, we promise to solve all problems. 2 year warranty is a big plus: 100% risk-free purchase + local phone service. For any issues or if you have missed Amazon's 30-day return window, please reach out via our customer service email: [email protected] Com for help. 2-year warranty for free replacement. At last rough rocks will be turned out pretty gemstones with high quality and enough amount grits. 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.

Your komestone tumbler kit is protected by a 2-year warranty against manufacturing defects. All in one hobby & educational tumbling kit: our komestone rock tumbler kit has everything that need for tumbling, sifter, 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, Jewelry Fastenings, screwdriver, and illustrated tutorial guide.
BrandKomeStone #ad
ManufacturerKomeStone #ad
Weight2.5 Pounds
Part NumberKS0107RT01
ModelK1
Warranty2-Year Warranty for free exchange against manufacturing defects

5. AliKids

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With 3 Speed Settings and Digital 9-Day Timer, Professional Advanced Rock Tumbler Kit, Include Rough Gemstones, 4 Polishing Grits

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AliKids #ad - Noise reducing leak-proof rubber barrel with stainless steel lid. Durable quality - this high-quality tumbler has a powerful motor that will last for years. Exquisite packaging, please contact our customer service.

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. If you need more belts or other accessories, the grit is in the rubber bucket! Complete rock tumbling kit - everything you need to create polished gemstones: tumbler, jewelry fastenings, half pound of gemstones 9 different types, sifter, four polishing grits, low-noise barrel, detailed full-color learning guide.

Easy to use - digital 9-day timer with automatic shutoff feature, 3 speed settings, beautiful LCD screen. We will send it to you for free. Please don't forget, fashionable appearance. Turn rough rocks into polished gems - Make any stone sparkle and polish everyday rocks into dazzling gemstones! Simple operation and durable design.
BrandAliKids #ad
ManufacturerAliKids #ad
Height5.91 Inches
Length12.99 Inches
Weight2.27 pounds
Width9.06 Inches
Part NumberAL-Tumbler-1
ModelAL-Tumbler-1

6. EARTH'SCODE

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STEM Science Kit with Polishing Grits, Jewelry Fastenings, Rough Rocks into Gemstones, Geology Hobby Toy for Adults Kids, EARTH'SCODE Rock Tumbler kit, Advanced Professional Tumbling Stone Polisher

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EARTH'SCODE #ad - 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.

Contains everything for making gemstones, low-noise barrel, mesh strainer, jewelry fasteners, and gems decorations. 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, 1 Rock Tumbling Ceramic Filler media, 10 assorted rough rocks, 4 polishing refill grits, Pour in the rough stones and grit then let the machine do the job! What's in the box - rock tumbler machine, rock collection gems jewelry, an Extra tumbler belt, gem storage bag, and an instruction & learning guide booklet.

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.
BrandEARTH'SCODE #ad
ManufacturerZhuzhou Dachuan Electronic Technology Co Ltd #ad
Height4.72 Inches
Length11.42 Inches
Width11.02 Inches
Part NumberDCT12W12W120100US-A0

7. KoolStone

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STEM Gift for Adults Kids, Rough Gemstones, Rotary Stone Polisher Includes 3 Belts, Large 2.5LB Professional Rock Tumbler Kit, 100% Rubber Barrel, 4 Polishing Grits etc., 3-Speed Motor & 9-Day Timer

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KoolStone #ad - Faster polishing time & better polishing results -- 3-speed controls providing more granular tumbling results, all displayed on clear screen, a 9-day timer with automatic shutoff feature and memory function, letting you easily hone your settings for precise tumbling each time.

Which allows to tumbler more rocks each time. Easy to get the wonderful gemstones -- koolstone rock tumbler is a fairly simple machine which has the sole purpose of taking ordinary looking rocks, turning them over and over in a mixture of grit and water and polishing them into smooth, round, brilliant stones. Rock tumbler, 2. 5lb capacity rubber barrel, 3 belts and 4 polishing grits and ceramic contact media, 1LB for 9 different types of rough gemstones, sifter, jewelry fastenings, and illustrated tutorial guide.

Please reach out at: [email protected] Com to get it. 90-day refund guarantee & 2-year free replacement, please feel free to reach out us for any issue. Just tumbling right away! . Rubber material which has 75% quieter than most plastic barrel. Another improvement is the quieter barrel. Everything you need for tumbling is here -- koolstone rock tumbler has everything you need to create polished gemstones.
BrandKoolStone #ad
ManufacturerKoolStone #ad
Height5 Inches
Length10.99 Inches
Width9 Inches
Part NumberKS20220422
ModelKS20220422
Warranty2-Year Lifetime Warranty Replacement, please feel free to reach out at: [email protected] to activate it.

8. Zcvtbye

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Rock Tumbler Kit,Turns Rough Rocks Into Beautiful Gems,with button 7 day Polishing timer,Includes 2 Belts,bag of rough stones,4 coarse grinding,finely ground,polishing,final polishing,Polishing Grits

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Zcvtbye #ad - Polish your own gemstones: zcvtbye tumbler kit makes tumbling even easier in an interesting way to turn any rough stones and polish them into super shinning and wonderful gemstones. Then the inner colors and unique composition of the stone were uncovered! You can dothe same thing in your Rock Tumbler; it is faster than Nature, but still takes time and patience.

Rock tumbler grit the perfect gift for all ages: not just a kids rock tumbler, but also rock tumbler for adults. It is a science education class set for all genders and all ages, children and adults are fascinated by it. This is absolutely a perfect gift for Christmas gifts, Children's Day. While the operation, kids can experience the fun of labor and enjoy the fulfill of success, whichcan develop their curiosity and observations.

Tutorial guide from beginners to experts: Make tumbling easy! We created this Instruction & Learning Guide with full-color contents for both beginners and experts. Rock tumbler kit: kids can collect vanious kinds of rocks outdoor and whet them into extremely attractive keen diamonds withthe machine. You can expectto have beautiful, polished stones in 2 to 4 weeks. Rock polisher tumbler kit adult: mother nature polished that stone by gently washing it in water and sand or gravel until all the rough edgeswere smoothed away.
BrandZcvtbye #ad
ManufacturerZcvtbye #ad
Part NumberB09VXBZVBL

9. NATIONAL GEOGRAPHIC

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NATIONAL GEOGRAPHIC Rock Tumbler Media – The Ultimate Rock Polishing Supplies Kit, GemFoam Polishing Tumbling Media, 1.5 Pounds of Ceramic Pellets, 4 Stage Bulk Rock Tumbler Grit

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NATIONAL GEOGRAPHIC #ad - 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. Brand new way to make tumbled rocks shine – gemfoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks.

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. Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results! Works with any rock tumbler – the tumbling supplies in this set are safe to use with any rock tumbler.

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. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height5.51 Inches
Length7.48 Inches
Width5.31 Inches
Part NumberNGFOMCERGRIT
ModelNGFOMCERGRIT

10. NATIONAL GEOGRAPHIC

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Rock Collection, Educational STEM Science Kit, NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit – Durable Leak-Proof Rock Polisher with 7-Day Timer – Complete Rock Tumbling Kit – Geology Hobby for Kids

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NATIONAL GEOGRAPHIC #ad - Use gemfoam for dazzling results - this rock tumbling 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 - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service.

All-in-one tumbling kit - you get 1/2 pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, a strainer, tumbler grit, and our innovative GemFoam polishing foam. An improved, leak-proof barrel features a stainless-steel lid.

Create your own gemstones - rock tumbling is a hugely popular hobby for kids and adults! This robust 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.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height8.15 Inches
Length13.86 Inches
Width5.04 Inches
Part NumberNGHOBBYTUMBLER2
ModelNGHOBBYTUMBLER2