Top 10 Rough Rocks for Tumbling – Kids’ Rock Tumblers

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1. NATIONAL GEOGRAPHIC

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4 Grades of Grit, Jewelry Fastenings & Detailed Learning Guide, NATIONAL GEOGRAPHIC Rock Tumbler Mega Refill Kit, 3lbs Gemstones of 9 Varieties Including Tiger's Eye, Amethyst & Quartz

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NATIONAL GEOGRAPHIC #ad - Gemstones of nine varieties: tiger’s eye, Rose Quartz, Agate, Red Jasper, Amethyst, sodalite, Dalmatian Jasper, Aventurine, Black Jasper. Four grades of grit: coarse, Fine, Medium, Polish.

Transform your stones from rough rocks to dazzling gemstones!3lb in total. 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. Create custom jewelry from your newly polished gemstones! Learning guide: our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. Jewelry fastenings: 1 necklace, 1 set of Earrings, 1 keychain, 1 Ring.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height3 Inches
Length3 Inches
Width8 Inches
Part NumberNGGEMREFILLMEGA
ModelNGGEMREFILLMEGA

2. Kolt Mining

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Tumbling, polishing and More!, Bulk 4-Pound Rock Rough from Brazil, Stone Mix with Identification Card and Book, Great for Sorting, gem Mining, Madagascar and India

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Kolt Mining #ad - Stem recommended for Ages 6+. Includes a 64-page spotter’s Guide for Rocks and Minerals and identification card. Each 4-pound bag contains of up to 40 unique and different stone types measuring on average 1”-3”. Raw and natural crystals and rocks for Collecting, Sorting, Gem Mining, Tumbling, Cabbing, Polishing, Wire Wrapping and More!. Assorted premium rough rock variety from Brazil, Madagascar and India rocks in picture are wet and have been washed to show their unique features. The scientific study of rocks is called petrology, which is an essential component of geology.
BrandKolt Mining #ad
ManufacturerVarious #ad
Part NumberAMTT-ROCKROUGH

3. NATIONAL GEOGRAPHIC

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

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NATIONAL GEOGRAPHIC #ad - Rock polishing grit – there are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler. Enormous variety - this rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of a 1-pound gemstone mix, 1-pound jasper mix, 1-pound Madagascar mix, 1-pound agate mix, and 1-pound petrified wood mix.

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. 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.

4. Dan&Darci

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

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Dan&Darci #ad - Assorted gemstones, 4 grit bags, jewelry fasteners. 4 grit levels: grade 1: coarse, grade 3: Pre-polish, Grade 2: Medium, and Grade 4: Polish. Compatible with all rock tumblers.

Includes 1/2 lb. 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. Mega rock tumbler refill pack: includes everything needed to turn rough rocks into beautiful gemstones. 9 varieties of gems 05 lb: includes agate, dalmatian jasper, Rose Quartz, Sodalite, Red Jasper, Aventurine, Amethyst, Hematite, Tiger Eye. Compatible with all rock tumblers: can be used in tumblers from any brand: Dan&Darci, Elenco, National Geographic, Thumler, Lortone, Smithsonian, and more.
BrandDan&Darci #ad
ManufacturerDan&Darci #ad
Part NumberDD-010

5. 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 - 1lb in total. Jasper of eight varieties: mookaite, Red, Picture, Dalmatian, Kabamba, Polychrome, Zebra, Yellow. Create custom jewelry from your newly polished gemstones! Transform your stones from rough rocks to dazzling gemstones! Learning guide: our learning guide will teach you all about these unique jasper specimens and includes many amazing and fascinating facts.

Respected quality - national geographic is proud to provide only the highest quality toys and all our kits are backed by our 100% satisfaction guarantee. Jewelry fastenings: 1 necklace, 1 keychain, 1 set of Earrings, 1 Ring. Four grades of grit: coarse, Fine, Medium, Polish.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerDiscover with Dr. Cool #ad
Height8 Inches
Length3 Inches
Weight1 Pounds
Width3 Inches
Part NumberNGJASPERREFILL
ModelNGJASPERREFILL
WarrantyNo Warranty

6. WireJewelry

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WireJewelry Single Barrel Rotary Rock Tumbler Madagascar Mix Deluxe Kit, Includes 3 Pounds of Rough Madagascar Stone Mix and 2 Batches of 4 Step Abrasive Grit and Polish with Plastic Pellets

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WireJewelry #ad - 2 batches of premeasured grit & polish Coarse, Pre-Polish, Medium, Final Polish & Plastic Pellets.2 year manufacturer Warranty and Lifetime Belt Replacement Warranty. 3 lbs madagascar stone mix; average Size: 1. 5" to 2" with 20-30 Gram Weight. Powerful 120 volt motor Designed to Operate 24/7 for Years. Professional grade single barrel Rotary Rock Tumbler with Leak Proof Rubber Barrel to Minimize Noise.
BrandWireJewelry #ad
ManufacturerWireJewelry #ad
Weight15 Pounds
Part NumberG24-1-KIT300

7. The Fundamental Rockhound

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Fundamental Rockhound Products: Africa Mix Mixed Bulk Rough Rock for Tumbling Metaphysical Gemstones Healing Crystals Wonderful Assortment 2 lb

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The Fundamental Rockhound #ad - Sizes range from 1/2 to 1 1/4" average weight 15 to 30 grams per stone PLEASE see description below for list of possible stones. Warning: not for children under 6 years of age, as smaller pieces could become a choking hazard.

2 pounds one of at least 22 stones! of mixed african rough tumbling rock from South Africa and Madagascar. The colors are not as bright when they are dry as they are rough, unpolished rock. Your stones will not be the exact stones in the photo but will be very similar in size and shape. Perfect for tumbling rock, rock collecting, crafts, Meditation, gridwork, home or Office Decor, Metaphysical Use, Indoor Fountains, Wire Wrapping for Pendants. Stones are shown wet in the photos so you know how they'll appear after polishing. Seller is not responsible for misuse of this product.
BrandThe Fundamental Rockhound #ad
ManufacturerSister's Rocks LLC #ad
Part NumberAF_Rough_2lb

8. The Fundamental Rockhound

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Metaphysical Use, Fundamental Rockhound Products: Rough Ocean Jasper Bulk Rock for Tumbling, Gemstones Healing Crystals Wholesale Lot from Madagascar 1/2 lb

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The Fundamental Rockhound #ad - Stones are shown wet in the photo #1 so you know how they'll appear after polishing. Seller is not responsible for misuse of this product. Perfect for tumbling rock, crafts, Indoor Fountains, Metaphysical Use, gridwork, Meditation, Home or Office Decor.

Ocean jasper rough from madagascar - sizes range from 1 to 1 3/8" Average 15-30 grams each. They will not be this brightly colored when you receive them; they are rough, unpolished rock. This is untreated, unheated, 100% natural stone. Colors are mixed and varied. Warning: not for children under 6 years of age, as smaller pieces could become a choking hazard. Your stones will not be the exact stones in the photo but will be very similar in size and shape.
BrandThe Fundamental Rockhound #ad
ManufacturerSister’s Rocks LLC #ad
Part NumberRR_Ocean_8oz

9. Unknown

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Rock Tumbler Gem Refill Kit Mexican Crazy Lace Agate Rough 8oz

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Unknown #ad - Pieces shown are actual random examples of this Parcel & Gem's colorization. Long time favorite of hobbyists, cutters-getting scarcer this nice! Takes an exceptional polish, each stone ranges roughly from 1/2" dia to 1 1/2" dia. Your stones will be typical of what is shown. Bright reds, superior "Crazy" Banding-red, brown, grey and white banding. Crazy lace agate rough from mexico-Great Refill for the Beginner or novice hobbyist, or advanced Tumbler. Each bag averages 10-12 chunky, Gemmy Pieces-You will Be Very Happy! .
BrandUnknown #ad
ManufacturerRockhound's First Choice #ad
Height1 Inches
Length6 Inches
Weight0.25 Pounds
Width4 Inches

10. The Fundamental Rockhound

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Fundamental Rockhound Products: 1 lb Rough Green Quartz Natural PRASIOLITE Bulk Rock for Tumbling Metaphysical Gemstones Healing Crystals Wholesale Lot from Brazil

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The Fundamental Rockhound #ad - Your stones will not be the exact stones in the photo but will be very similar in size and shape. Seller is not responsible for misuse of this product.

They will not be this brightly colored when you receive them; they are rough, unpolished rock - please see photo#2. 1 pound of green quartz rough - sizes range from 1 to 1 1/4" Average. Stones are shown wet in the photo #1 so you know how they'll appear after polishing. This is natural prasiolite, difficult to find, unheated, it is untreated, 100% natural. Perfect for tumbling rock, crafts, Indoor Fountains, Metaphysical Use, Gridwork, meditation, Home or Office Decor. Warning: not for children under 6 years of age, as smaller pieces could become a choking hazard.
BrandThe Fundamental Rockhound #ad
ManufacturerSister’s Rocks LLC #ad
Weight1 Pounds
Part NumberGQRough1lb