Top 10 Smithsonian Rock Tumbler – Kids’ Rock Tumblers

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1. NSI/Smithsonian

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NSI/Smithsonian 49005 Rock Tumbler

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NSI/Smithsonian #ad - Charms. Includes 35" x 23" Color Poster with Instructions. Tumble rough Rocks Into Polished Stones. Keychains. Make Necklaces. Mechanical Tumbling Action.
BrandNSI/Smithsonian #ad
ManufacturerNSI/Smithsonian #ad
Height13 Inches
Length16 Inches
Weight3.7 Pounds
Width6 Inches
Part NumberFBA_NN9005
Model49005

2. NATIONAL GEOGRAPHIC

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Rocks, Grit, and 5 Jewelry Fastenings, NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit, Rock Polisher for Kids and Adults, Complete Rock Tumbler Kit, A Great STEM Hobby, Durable Leak-Proof Tumbler

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NATIONAL GEOGRAPHIC #ad - 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.

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. 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.

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. A tumbler that's made to last - the durable motor allows you to tumble multiple batches of rocks.
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

3. NATIONAL GEOGRAPHIC

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

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NATIONAL GEOGRAPHIC #ad - Easy to use – simple instructions and one-touch settings make rock tumbling fun and easy. 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.

The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models. An excellent STEM activity for kids. A complete hobby tumbling kit - everything you need to create polished gemstones: the tumbler, four polishing grits, sifter, nine types of real rough gemstones, plus a detailed full-color learning guide. 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.

Makes a great gift for girls and boys! A tumbler that's made to last – our high-quality tumblers are made with a durable motor that’s designed to last for years. 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.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc #ad
Height8.06 Inches
Length13.81 Inches
Weight5.51 Pounds
Width4.88 Inches
Part NumberNGHOBBYTUMBLER
ModelNGHOBBYTUMBLER
WarrantyNo Warranty

4. NATIONAL GEOGRAPHIC

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

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NATIONAL GEOGRAPHIC #ad - 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.

Of rocks, glass, gems, and more. Easy to use four-stage rock grit - the first rock tumbling grit stage provides initial shaping, the third pre-polishes rocks, the second smooths rock surfaces, and the fourth provides the final polish.

Easy to measure and store - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies. 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.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height5.3 Inches
Length5.3 Inches
Weight3 Pounds
Width4.2 Inches
Part NumberNGBULKGRIT
ModelNGBULKGRIT

5. NATIONAL GEOGRAPHIC

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Educational Stem Science Kit, Grit, and Patented GemFoam Finishing Foam Polish, NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit, Complete Rock Tumbler Kit with Durable Tumbler, Rocks

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NATIONAL GEOGRAPHIC #ad - This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher. This durable tumbler is made to last. The motor has tumbling time control settings so you can set it and forget it. Satisfaction guaranteed.

This all-in-one tumbling kit has everything you need and then some. Rock tumbling is a hugely popular hobby for kids and adults. If your experience is anything less than extraordinary, let us know so we can make it right for you. The national geographic stEM series provides kids high-quality educational toys that are a whole lot of fun. 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.

Add gemfoam and water to the barrel after your final tumbling stage and your gems will have incredible shine. You get one pound of rough rocks with nine different types of gemstones inside, a strainer, five jewelry fastenings, tumbler grit, and our innovative new GemFoam polishing foam. The leak-proof barrel features a stainless-steel lid. Use gemfoam for dazzling results.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height8.15 Inches
Length13.86 Inches
Weight5.29 Pounds
Width5.04 Inches
Part NumberNGHOBBYTUMBLER2

6. NATIONAL GEOGRAPHIC

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

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NATIONAL GEOGRAPHIC #ad - 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 jasper mix, 1-pound Madagascar 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. 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. 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.
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.

7. Leegol Electric

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Leegol Electric Hobby Rock Tumbler Machine, Single Drum 3LB Rock Polisher Single Barrel

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Leegol Electric #ad - Professional features: this high-quality polisher has a powerful motor to ensure a smooth finish! Perfect for beginners: easy to use, to polish rocks or metal parts, add a media and let the machine do all the work for you. 100% satisfaction guaranteed: with a manufacturer warranty you can be sure you will get a quality gift. If you get a poor one, contact with us, we will supply a new one. Packaging list: includes machine, 05lbs of walnut shell media, five v-belt, and instructions. Power adapter: 120v/60hz Barrel Capacity: 3LB.
BrandLeegol Electric #ad
ManufacturerLeegol Electric #ad
Part NumberRock Tumbler

8. NATIONAL GEOGRAPHIC

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Real Fossils, Aventurine & Many More Rocks, Rose Quartz, Jasper, Crystals & Gemstones, NATIONAL GEOGRAPHIC Rocks & Fossils Kit – 200 Piece Set Includes Geodes

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NATIONAL GEOGRAPHIC #ad - Includes rough and polished samples of aventurine, Red Jasper, Desert Rose, stunning Snowflake Obsidian, Rose Quartz, Blue Quartz, Pumice, and meteorite specimens as well. Geology doesn’t get more exciting than breaking open rocks and finding crystal treasures.

Genuine fossils - real fossils include prehistoric shark teeth, and more. Ultimate rock collection for kids - a perfect standalone collection or addition to any kid’s rock collection. Display your favorites – show off your favorite rock, crystal, and fossil specimens in the included case! Keep the rest of your treasures safe in the included storage bag. Real geodes – discover crystals treasures! each kit contains one broken geode and two unbroken geode specimens for you to crack open yourself. 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.

The included magnifying glass, gemstone, brachiopods, gastropods, mineral, clams, and identification sheet will help you to sort and identify every rock, full-color learning guide, ammonites, and fossil in the collection. Makes an excellent STEM gift for girls and boys! .
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height2.17 Inches
Length9.25 Inches
Weight2.73 Pounds
Width6.3 Inches
Part NumberNGRMF200
ModelNGRMF200
WarrantyNational Geographic Toys is proud to provide only the highest quality products, each backed by a complete satisfaction guarantee

9. NATIONAL GEOGRAPHIC

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Grit, NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit, Rock Polisher for Kids & Adults, 2.5 Pounds Raw Gemstone & Jasper Mix, Great STEM Hobby Kit, Noise-Reduced Barrel

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

In addition to the tumbler, and rough gemstones, sifter, this bundle includes refill packs with 1lb each of rough gemstones and rough jasper. Easy to use – simple instructions and one-touch settings make rock tumbling fun and easy. A tumbler that's made to last – our high-quality tumblers are made with a durable motor that’s designed to last for years. Learn all about the gemstones in your kit with the detailed, four polishing grits, full-color learning guide. Makes an excellent stem gift or activity for girls and boys! All-in-one tumbling kit - this complete kit has everything you need to create polished gemstones.

This is a great gift for kids! 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. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, so you can set it and forget it.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height11 Inches
Length8 Inches
Width12 Inches
Part NumberNGHOBBYBUN
ModelNGHOBBYBUN

10. NATIONAL GEOGRAPHIC

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NATIONAL GEOGRAPHIC Rock Tumbler Kit-3LB Extra Large Capacity, an Educational STEM Science Kit, 3LB Rough Gemstones 4 Polishing Grits, Jewelry Fastenings

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NATIONAL GEOGRAPHIC #ad - 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.

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, grit, a strainer, five jewelry fastenings, and our innovative new GemFoam rock polisher. 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! 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 - the durable motor has time and speed control settings so you can set it, and forget it.
BrandNATIONAL GEOGRAPHIC #ad
ManufacturerJMW Sales, Inc. #ad
Height6.7 Inches
Length12.6 Inches
Width10.25 Inches
Part NumberNGTUMBLER3LB
ModelRock