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Best Rock Tumbler Guide

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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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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Rock Tumbler Refill Grit Media Kit, Stone Polisher (3.5 Pounds Polishing Grits + Poly Plastic Pellets), Compatible with Any Brand Tumbler, 5-Steps for Tumbling Stones

  • [5 STEPS] Just measure in the grit, add enough water to cover the stones, seal the barrel, and tumble. The only variable is how much of the product to use in your rock tumbler. We suggest 2 tbsp of grit per pound of stones, which is a good rule of thumb..
  • [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..
  • [EASY TO USE] Includes a clear instruction guide on how to use the grits and plastic pellets.Large Amount of Grit, This is a large amount of each size grit for the price..
  • [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. Each to have pretty rocks/gems..
  • [Win-win] Brave Finder respect and put buyers' needs first. We're always here to help if any quality issues and about the rock tumbler grit kit..
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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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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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LEEPED Rock Tumbler Stone Polishing Jewelry Maker Machine Kit Toys for Kids 4 Polishing Grits, Jewelry Fastenings, Learning Guide, Great Stem Science Kit

  • 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, detailed full-color learning guide..
  • EASY TO USE ? All ages and skill levels can get started quickly and easily.
  • 100% Satisfaction,The finest nature toys available.
  • SUPER FUN FOR KIDS ? this rock tumbler kit is diy heaven! create beautiful polished stones, this kit has everything u need. give ur polished gems as gifts or use in more arts & crafts projects!.
  • WHAT IS INCLUDED ? rock tumbler, usb cable, accessories, instructions, coarse grinding powder, fine grinding powder, polishing powder, final polishing powder, rocks (18oz), glue.
  • 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!.
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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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Syahro Rock Tumbler Kit with Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, , Rock Polisher Kids Stem Toys Science Toys for 3-12 Year Old

  • 【What You Get】You can get a complete rock tumbler set, which includes all the tools needed to polish the stone: a rock tumbler, 4 pcs polishing grits, various rough rocks, jewelry fastenings, a tube of glue and a detailed instruction manual..
  • 【Easy To Use】You can set any stone grinding time from 1-7 days through the button, or you can stop and continue working with one button. After completing the set working time, the stone grinder stops automatically. Any questions you don't understand can also be answered in the detailed study guide booklet, which fully documents how to turn a rough stone into a beautifully polished gem..
  • 【Educational Toys & Science Toys】This is a great stem toys for kids to build their favorite gems by themselves. Rock polisher can improve children's interest in geography and science, as well as exercise children's patience. A rock tumbler science toy is the perfect birthday and Christmas gift for boys and girls..
  • 【Durable Grinding Rock Polisher】Our products use high-quality motors, which are durable and can work continuously for a long time. In addition, the leak-proof rubber barrel equipped with the grinder has a good seal and is quieter than other products..
  • 【Satisfied Service】If you have any dissatisfaction or....
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Thumler's Tumbler Model A-R2 Kit Rock Tumbler

  • Two rubber tumbling barrels that holds 6 lbs of rocks.
  • Each barrel interior measures 4 1/4" diameter x 4" deep (107 x 101 mm).
  • Instruction booklet "A Guide for Rock Polishers".
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NATIONAL GEOGRAPHIC Rock Tumbler Ceramic Pellets – 1.5 lb Ceramic Media for Rock Polisher, Use with Rock Polishing Grit, Protects Rocks, Improves Tumbling, Reusable, Rock Tumbling Supplies

  • 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..
  • A LITTLE GOES A LONG WAY – Rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle. Ceramic polishing media is more effective than plastic tumbling media and will never stale or spoil..
  • COMPATIBLE WITH ANY TUMBLER – These rock tumbler ceramic pellets are safe to use with any rock tumbler. This versatile rock polish accessory is a fantastic addition to your stock of tumbling supplies..
  • ADDITIONAL TUMBLING BENEFITS – Ceramic tumbling media will wear down over time, but is still a useful rock tumbling accessory. Use worn pellets in place of smaller ceramic tumbler media. When tumbling is complete, wash and store for later use..
  • 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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Tumble-Bee Rotary Rock Tumbler with Rock Grit Polish Kit - Rock Polisher Machine, Tumbling Equipment for Stone, Glass, and Metal Collection, Polishing Tool for Adults & Kids, Model TB-22-KIT

  • SMART TUMBLER TOOL: This rock tumbler model is ideal for cool polishing projects and is the ideal size for professional tumbling of two different small materials at once, such as rocks, glass, and deburring and polishing metals. It's an excellent starter set that allows you to tumble right out of the box..
  • MADE TO LAST: The Tumble-Bee rock tumbler has rust-proof housing with no sharp edges. It is made of a non-slip timing belt to reinforce the curve of the belt and protect it from slipping off the pulleys, allowing your rock tumbler to tumble smoothly. It also features a thermal overload protector, which turns off the motor if it overheats, safeguarding both you and your rock tumbler..
  • COMPLETE TUMBLING SET: Our rock polisher machine includes everything you need to complete your collection, including two 2lb rubber barrels, one bottle of clean, lightweight oil, one 3/64" Allen wrench, and a detailed instruction manual. This set comes with TWO rock grit polish kits, which has 1-1/2lbs of properly-sized agates, jasper, and petrified wood, pre-measured coarse grit, medium grit, fine grit, and TXP polish. Makes a great starter kit for beginners!.
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2 LBS 3/16 X 3/8 Rock Tumbling Ceramic Pellets Filler Media for All Type Tumblers -Use with Rock Polishing Grit Protects Rocks Improves Tumbling Reusable Rock Tumbling Supplies

  • 2 Pound 3/16" x 3/8" Small Rock Tumbling Ceramic Filler Media.
  • Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage.
  • These rock tumbler ceramic pellets are safe to use with any rock tumbler..
  • Rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle..
  • Ceramic tumbling media will wear down over time, but is still a useful rock tumbling accessory.
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