Reviews Rock Tumbler Jewelry Kit

VIYUKI Rock Stone Tumbler Machine- Double Drum 6LB Lapidary Polisher for Kids Adults (Double Barrel), Includes Rough Gemstones, 8 Polishing Grits, Jewelry, Learning Guide, Great Stem Science Kit

  • ...indly 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..
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NATIONAL GEOGRAPHIC Rock Tumbler Refill – 5 Pound Mix of Rocks and Gemstones for Rock Tumblers, Includes Agate, Jasper, Petrified Wood, Gemstone, and More, 5 Jewelry Settings and Polishing Grit

  • ENORMOUS VARIETY - This rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of a 1-pound gemstone mix, 1-pound agate mix, 1-pound Madagascar mix, 1-pound jasper mix, and 1-pound petrified wood mix.
  • ROCK POLISHING GRIT – There are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler.
  • JEWELRY SETTINGS – Once your rocks are polished, use the 5 included jewelry settings to create beautiful keepsakes or use the included storage pouch to keep your favorite specimens all in one place.
  • DETAILED LEARNING GUIDE – The learning guide includes polishing instructions along with fascinating information about the stones in the kit.
  • RESPECTED QUALITY - National Geographic is proud to provide only the highest quality STEM toys and all our kits are backed by our 100% satisfaction guarantee.
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VIYUKI Professional Electric Kids Rock Stone Tumbler Kit 3LB Rock Polisher - Complete Rock Tumbler Kit with Durable Tumbler, Rocks, Grit, Educational Stem Science Kit

  • ...indly 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 tumbler kits 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!.
  • ✅DURABLE QUALITY - This simple tumbler is a great way for children to discover a new hobby. It includes a 1 pound of rocks, grit, polisher, some accessories like a necklace and earrings to show off the finished products, and a learning-and-instruction guide. Metal case and high-powered motor give you a workhorse machine that will last for years..
  • ✅COMPLETE KIT – Rock tumbler for adults, Includes rock stone tumbler base, Replacement tumbler belt(5pc), 3-pound capacity barrel for grinding more Stones,1 bag assorted gems 1 Lb(460g),4 bags polishing grits, and extra water for 4 Steps process,5 jewelry settings, and 1 color d....
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Rubber Drum Seal for Chicago Electric Rock Tumbler

  • 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....
  • Complete kit: Includes: rock tumbler machine, low-noise barrel (1 lb. capacity), 4 grit packets, 1/2 lb. assorted rough rocks, mesh strainer, jewelry....
  • 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....
  • Advanced features: Includes speed controls (providing more granular tumbling results), a 9-day timer (shuts off automatically when you desire), all....
  • 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....
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Leegol Electric 1LB Rock Tumbler – Rotary Rock Polisher with 7-Day Timer

  • Rock Tumbler Kit - Tumbler, low-noise barrel, 0.5lb media, detailed learning guide..
  • 1LB Tumbler Barrel - The improved barrel are made with an updated stainless-steel lid and reinforced cover.The leakproof rubber barrel reduces sound, making it 75% quieter than others..
  • Easy to Use - A 7-day timer (with automatic shutoff feature), the synchronous belts (high transmission efficiency and good energy saving effect)..
  • Fun Gift for Kids&Adult - You can use this tumbler to work with metal and metal jewelry (without gemstones).This tumbler may be used to take the jagged, sharp edges off of small metal parts.To polish brass, gold, silver, or copper, use polishing media desighed for that specific purpose..
  • Educational Tumbler - Rock tumbling is a fun activity for children of all ages and improve an interest in geology and science..
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NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher for Kids - Complete Rock Tumbling Kit - Geology Hobby Science Kit, Rocks and Crystals for Kids, A Great STEM Activity

  • 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..
  • 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..
  • 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..
  • 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..
  • 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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NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit – Extra Large 2 Lb. Barrel with 3-Speed Motor & 9-Day Timer – Geology DIY Kits for Adults, Rock Collection Hobby, Great Educational STEM Science 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..
  • 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..
  • 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..
  • 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..
  • 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 e....
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Rock Tumbler Activity Kit, Fun Artwork Handmade DIY Toy Set Polished Stones Jewelry Create, Complete Durable Rock Polisher for Kids and Adults Hobby

  • 【DIY STONE POLISHING 】- This rock tumbler kit is a complete set of polishing tools, which gives you polished gemstone as gifts or use in more arts & crafts projects! Simple instructions and one-touch settings make rock tumbling fun and easy. Grind and polish your rocks through four steps, to a smooth gem-like quality. Create beautiful homemade jewelry..
  • 【GEOLOGY SCIENCE KIT 】- Fun educational rocks polishing experience. It takes time and patience to polish beautiful gems. You can run any rocks even ones that you collect outdoors, then start the machine to polish. Learn about the exciting hobby of rock tumbling! It can promotes kids an interest in geology and science..
  • 【UNIQUE DESIGN 】- High-quality tumbling machine with powerful motor. There are non-slip cushions on the bottom. And a transparent cover on the top, which can reduce part of the sound of tumbler spinning and polishing stones. The leak-proof barrel is an upgraded design. The Automatic shutoff timer is also very smart and convenient..
  • 【ENJOY HOBBY 】- You make the inconspicuous stones into exquisite and precious gemstones. Everything you need to create polished gemstones is included. You can just enjoy the joy of receiving gemstones. All ages and skill levels can get started q....
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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

  • 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..
  • 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, 2 lb. barrel features a stainless-steel lid and is 75% quieter overall than plastic tumbler barrels..
  • INCLUDES 1 LB. OF ROCKS & MORE - This tumbling kit comes with everything you need: 1 lb. of raw rocks with 9 types of gemstones, 5 jewelry fastenings, grit, strainer & GemFoam for a dazzling shine!.
  • 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 proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service.....
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NATIONAL GEOGRAPHIC Professional Rock Tumbling Kit - Patent-Pending Rock Polisher for Kids & Adults, Platinum Series Ultra Quiet, 2lb Barrel, Rocks, Grit, GemFoam Polisher, A Great STEM Science Kit

  • PROFESSIONAL TUMBLING - With its large 2-pound barrel, three selectable speeds.
  • and timer with settings for days and hours, the Ultimate Tumbler delivers spectacular results with unparalleled ease of use!.
  • QUIETEST TUMBLER - The Ultimate Rock Tumbler's all-new design includes a sound-dampening cover that makes tumbling quieter than ever, perfect for enthusiasts who tumble indoors, or in smaller or shared spaces..
  • ALL-IN-ONE TUMBLING KIT - This kit has everything you need to get started, including one pound of rough rocks, four bags of grit, five jewelry fastenings, a newly designed strainer, and our exclusive GemFoam rock polisher for a brilliant finish!.
  • PATENTED AGITATE MODE FOR LESS BREAKAGE - The Ultimate Rock Tumbler's patented agitate mode provides even more versatility! Its gentle, back-and-forth motion reduces rock breakage when tumbling softer rocks..
  • 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. If your experience is anything less than extrao....
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NATIONAL GEOGRAPHIC Rock Tumbling Kit - 3LB Extra Large Capacity, 3LB Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, an Educational STEM Science Kit

  • 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..
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Tumblers from the Vault

  • 2-Year Warranty for free exchange, the new one will be sent out in 12 hours. For any issues, please kindly contact us via our customer service email: [email protected]..
  • 【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 purchase + Local Phone Service. Your KomeStone....
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Large 2.5LB Professional Rock Tumbler Kit, 3-Speed Motor & 9-Day Timer, 100% Rubber Barrel, Rotary Stone Polisher Includes 3 Belts, Rough Gemstones, 4 Polishing Grits etc., STEM Gift for Adults Kids

  • For the best experience, we'd like to offer extra 3 belts for spare use. Please reach out at: [email protected] to get it..
  • 90-Day return policy & 2-Year free replacement, please feel free to reach out us for any issue. We are always here, rain or shine..
  • 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..
  • 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 ....
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