Top 10 Rocks for Tumbling – Kids’ Rock Tumblers

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1. NATIONAL GEOGRAPHIC

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

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NATIONAL GEOGRAPHIC #ad - 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.

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. 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. Detailed learning guide – the learning guide includes polishing instructions along with fascinating information about the stones in the kit.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height5.9 Inches
Length6.9 Inches
Weight6.5 Pounds
Width6.1 Inches
Part NumberNGWORLDREFILL
ModelNGWORLDREFILL
WarrantyNational Geographic Toys is proud to provide a 100% satisfaction with all our products so that you can buy with confidence.

2. NATIONAL GEOGRAPHIC

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Jewelry Fastenings and detailed Learning Guide, NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit, Comes with 4 grades of Grit, Jasper Mix of 8 varieties including Mookaite and Kabamba

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NATIONAL GEOGRAPHIC #ad - Respected quality - national geographic is proud to provide only the highest quality toys and all our kits are backed by our 100% satisfaction guarantee.

Create custom jewelry from your newly polished gemstones!1lb in total. Learning guide: our learning guide will teach you all about these unique jasper specimens and includes many amazing and fascinating facts. Transform your stones from rough rocks to dazzling gemstones! Four grades of grit: coarse, Medium, Fine, Polish. Jewelry fastenings: 1 necklace, 1 keychain, 1 set of Earrings, 1 Ring. Jasper of eight varieties: mookaite, Red, Zebra, Polychrome, Dalmatian, Kabamba, Picture, Yellow.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerDiscover with Dr. Cool #ad
Height8 Inches
Length3 Inches
Weight1 Pounds
Width3 Inches
Part NumberNGJASPERREFILL
ModelNGJASPERREFILL
WarrantyNo Warranty

3. NATIONAL GEOGRAPHIC

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Works with any Rock Tumbler, Polishes 8-10 Pounds of Rocks, Rock Polisher, National Geographic Rock Tumbler Grit, 3.28 Pounds Rock Polishing Grit Media, Stone Polisher

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NATIONAL GEOGRAPHIC #ad - For best results, use with National Geographic Rock Tumblers and rock tumbling supplies. Easy to use four-stage rock grit - the first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish.

Of rocks, gems, glass, and more. High quality – this rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on approximately 8-10 lbs. Compatible with all tumblers - this complete 4-step rock tumbler grit refill kit works with all rock tumblers.

Satisfaction guaranteed – the national geographic stem series provides high-quality products 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. Easy to measure and store - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height5.3 Inches
Length5.3 Inches
Weight3 Pounds
Width4.2 Inches
Part NumberNGBULKGRIT
ModelNGBULKGRIT

4. Dan&Darci

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3.5 Pounds Grits Media + Poly Plastic Pellets, Rock Tumbling Supplies, Stone Polisher, Dan&Darci Rock Tumbler Grit Refill Kit, Rock Polishing Media, Polish for Any Brand Tumbler

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Dan&Darci #ad - Easy to use: includes a clear instruction guide on how to use the grits and plastic pellets. Complete rock tumbling medium kit: 3. 5 lbs. 100% satisfaction guaranteed: love it, or your money back!  If you are not satisfied with the kit, we'll refund you 100% of the money, no questions asked.

Includes: step #1 coarse grit 1 lb. Step #2 medium grit 1 lb. Polypropylene plastic Poly Filler Pellets 1/2 lb. Step #4 grit 1/2 lb, step #3 Pre-polish Grit 1/2 lb. Instruction Guide. 4-step grit set and poly plastic pellets, to polish any rock. Packaged in easy-to-use-and-store bottles. Compatible with all rock tumblers: can be used in tumblers from any brand: Dan&Darci, Elenco, Smithsonian, National Geographic, Lortone, Thumler and more.
BrandDan&Darci #ad
ManufacturerDan&Darci #ad
Part NumberDD-011

5. Polly Plastics

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Rock Tumbler Grit Kit and Ceramic Tumbling Filler Media | Polly Plastics 4.5 Pounds Total Weight

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Polly Plastics #ad - 180/220 medium silicon carbide, ½ lb. Premium polishing materials - Proven to produce a beautiful polish. Compatible with all tumblers - Use Polly Plastics polishing products in any brand tumbler.

60/90 coarse silicon carbide grit, grit, 1 lb. Made in the USA. Contains - 1 lb. Complete kit - 4 step grit pack and ceramic filler for use in 15 lb. Tumbler or five 3 lb. 100% satisfaction guarantee on all our products. No need to keep ceramic separate for each stage – rinse and use the same batch through all the tumbling stages. Beginner friendly - complete easy-to-follow instructions included. 500 fine silicon carbide, ½ lb 1200 Aluminum Oxide Polish and 1. 5 lbs. Non-abrasive ceramic filler cylinders. Tumbles.
BrandPolly Plastics #ad
ManufacturerPolly Plastics #ad
Height4.37 Inches
Length10.1 Inches
Weight4.7 Pounds
Width6.6 Inches
Part Number683405246985
Model683405246985

6. SACKORANGE

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SACKORANGE 5 Pound 3/16" x 3/8" Small Rock Tumbling Ceramic Filler Media Non-Abrasive Ceramic Pellets for All Type Tumblers

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SACKORANGE #ad - Non-abrasive ceramic Pellets for All Type Tumblers. Perfect for protecting stones or filling while rock tumbling. Re-closable seal bags to prevent messy spills and to safely store unused pellets for later. 5 pound 3/16" x 3/8" small rock Tumbling Ceramic Filler Media. Cushions, quiets and improves tumbling action. No need to keep separate for each stage – rinse and use the same batch through all the tumbling stages.
BrandSACKORANGE #ad
ManufacturerSackorange #ad
Part Number4535345

7. Dan&Darci

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4 Grit Levels, Jewelry Fasteners, Compatible with All Tumblers Rock Tumbling Supplies, Dan&Darci Mega Rock Tumbler Refill Kit, 9 Varieties of Gems, 0.5 lb

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Dan&Darci #ad - 9 varieties of gems 05 lb: includes agate, aventurine, hematite, Rose Quartz, Red Jasper, Dalmatian Jasper, Sodalite, Amethyst, Tiger Eye. Mega rock tumbler refill pack: includes everything needed to turn rough rocks into beautiful gemstones.

4 grit levels: grade 1: coarse, grade 3: Pre-polish, Grade 2: Medium, and Grade 4: Polish. Includes 1/2 lb. Compatible with all rock tumblers. Compatible with all rock tumblers: can be used in tumblers from any brand: Dan&Darci, Thumler, Elenco, National Geographic, Lortone, Smithsonian, and more. 100% satisfaction guaranteed: love it, we'll refund you 100% of the money, or your money back!  If you are not satisfied with the kit, no questions asked. Assorted gemstones, 4 grit bags, jewelry fasteners.
BrandDan&Darci #ad
ManufacturerDan&Darci #ad
Part NumberDD-010

8. NATIONAL GEOGRAPHIC

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Jasper, Tumbler Grit & Jewelry Settings, Labradorite, & More, NATIONAL GEOGRAPHIC Rock Tumbler Refill – Mega Madagascar Gemstone Pack, 3 lb of Gemstones Including Rose Quartz

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NATIONAL GEOGRAPHIC #ad - 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. Transform your raw stones from rough rocks to dazzling gemstones, fine, medium, this refill kit also works with all rock tumblers.

Learning guide - our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. Four grades of grit - coarse, polish. Jewelry fastenings - additional rock tumbler accessories include 1 necklace, 1 keychain, 1 set of earrings, 1 ring to create custom jewelry from your newly polished gemstones. Real gemstones from madagascar – 3 pounds of raw rocks includes rose quartz, and Polychrome jasper, indigo gabbro, labradorite, red jasper, yellow jasper, quantities of each gemstone may vary.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height7 Inches
Length6 Inches
Width5.5 Inches
Part NumberNGMADREFILLMEGA
ModelNGMADREFILLMEGA
WarrantyNational Geographic Toys is proud to provide a 100% satisfaction with all our products so that you can buy with confidence.

9. NATIONAL GEOGRAPHIC

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Improves Tumbling, Reusable, Use with Rock Polishing Grit, Protects Rocks, NATIONAL GEOGRAPHIC Rock Tumbler Ceramic Pellets – 1.5 lb Ceramic Media for Rock Polisher, Rock Tumbling Supplies

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NATIONAL GEOGRAPHIC #ad - Use worn pellets in place of smaller ceramic tumbler media. Rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle. Additional tumbling benefits. Compatible with any tumbler! these rock tumbler ceramic pellets are safe to use with any rock tumbler.

Ceramic tumbling media will wear down over time, but is still a useful rock tumbling accessory. Ceramic polishing media is more effective than plastic tumbling media and will never stale or spoil. When tumbling is complete, wash and store for later use. Improve your rock tumbling results! ceramic tumbler media makes the entire rock tumbling process more effective, quieting tumbler noise, reducing rock breakage, improving delivery of rock tumbling grit, and acting as a filler for smaller batches.

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. This versatile rock polish accessory is a fantastic addition to your stock of tumbling supplies. A little goes a long way.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height7.1 Inches
Length5.5 Inches
Width1.57 Inches
Part NumberNGCERAMIC

10. NATIONAL GEOGRAPHIC

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

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NATIONAL GEOGRAPHIC #ad - The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models. 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.

A tumbler that's made to last – our high-quality tumblers are made with a durable motor that’s designed to last for years. 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. Makes a great gift for girls and boys! 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, sifter, nine types of real rough gemstones, four polishing grits, plus a detailed full-color learning guide. An excellent STEM activity for kids.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc #ad
Height8.06 Inches
Length13.81 Inches
Weight5.51 Pounds
Width4.88 Inches
Part NumberNGHOBBYTUMBLER
ModelNGHOBBYTUMBLER
WarrantyNo Warranty