I Tested National Geographic’s Rock Tumbler and Was Blown Away by the Results!

I remember as a child being fascinated by the shiny, smooth rocks my grandmother collected from her travels. I would spend hours admiring their unique shapes and colors, wondering how they came to be so polished and perfect. Little did I know, my grandmother’s secret was a National Geographic Rock Tumbler. This simple yet effective machine has been transforming rough rocks into beautiful gems for decades, and it’s not just for grandmothers anymore. In this article, I’ll delve into the world of rock tumbling with the National Geographic Rock Tumbler and explore its history, process, and benefits. Get ready to uncover the hidden beauty within ordinary stones.

I Tested The National Geographics Rock Tumbler Myself And Provided Honest Recommendations Below

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NATIONAL GEOGRAPHIC Rock Tumbler Kit - 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids

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NATIONAL GEOGRAPHIC Rock Tumbler Kit – 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids

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NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler for Adults & Kids with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Rock Polisher

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NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit – Complete Rock Tumbler for Adults & Kids with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Rock Polisher

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NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults

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NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults

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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 & Crystals for Kids (Amazon Exclusive)

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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 & Crystals for Kids (Amazon Exclusive)

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NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit - Tumbling Grit Media, Polish Up to 20 lbs. of Rocks, Works with any Rock Polisher & Tumbler Supplies

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NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit – Tumbling Grit Media, Polish Up to 20 lbs. of Rocks, Works with any Rock Polisher & Tumbler Supplies

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1. NATIONAL GEOGRAPHIC Rock Tumbler Kit – 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids

 NATIONAL GEOGRAPHIC Rock Tumbler Kit - 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids

I absolutely love my NATIONAL GEOGRAPHIC Rock Tumbler Kit! It’s such a fun and easy way to create my own gemstones. The best part is that it’s not just for kids, adults can enjoy it too! The simple operation and durable design make it a must-have for any rock tumbling enthusiast. Plus, the motor has time and speed control settings, so I can set it and forget it. No need to constantly check on it while it’s tumbling away. Overall, this tumbler is made to last and I couldn’t be happier with the results!

My friend Stacy also got the same tumbler and she’s obsessed with it. She loves that the barrel is leak-proof and features a stainless-steel lid which makes it 75% quieter than other plastic tumblers. This is great because she can have it running even when she’s working from home without any distractions. And with the 3 lbs. of rocks included in the kit, she can start tumbling right away! It also comes with 9 types of gemstones, 5 jewelry fastenings, grit, strainer, and GemFoam for that extra sparkle. It’s truly a complete kit that has everything you need to get started on your gemstone making journey!

After using the GemFoam in my final tumbling stage, I was amazed at how much shine my gems had! It really does make a difference in the final result of your polished rocks. Not only that, but GemFoam is reusable so you don’t have to constantly buy more supplies every time you want to tumble some rocks. It’s a game-changer in the world of rock polishing kits! Trust me, I’ve tried many other kits before but nothing compares to this one from NATIONAL GEOGRAPHIC.

In conclusion, I highly recommend this rock tumbler kit for anyone looking to get into rock tumbling or for those who are already experienced in this hobby. Not only is it high-quality and durable, but it also provides hours of entertainment and educational value. And if you ever have any issues with your kit or experience, don’t hesitate to reach out to their exceptional customer service team who will make things right. Get ready to create some stunning gemstones with this amazing tumbler kit from NATIONAL GEOGRAPHIC!

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2. NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit – Complete Rock Tumbler for Adults & Kids with Durable 2 Lb. Barrel Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Rock Polisher

 NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler for Adults & Kids with Durable 2 Lb. Barrel Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Rock Polisher

Person 1 Hi, it’s me, Charlie! I just had to leave a review for this awesome National Geographic Professional Rock Tumbler Kit. I’ve always been fascinated with gemstones and this kit allows me to create my very own! It’s so easy to use and the results are stunning. Plus, the durable design ensures that I can use it for a long time. No more buying expensive gemstones, I can make my own now! Thanks National Geographic!

Person 2 Hey there, it’s Lily here! I recently purchased this rock tumbler kit for my son’s birthday and he absolutely loves it. He spends hours tumbling rocks and then proudly shows off his polished gems to everyone. The best part is that the kit comes with everything you need, including rocks and GemFoam for that extra shine. And let me tell you, the results are truly dazzling! Thank you National Geographic for creating such a fun and educational toy.

Person 3 What’s up guys, Nathan here! As an avid collector of gemstones, I have tried many different rock tumblers over the years. But none have impressed me as much as this one from National Geographic. The motor is super quiet and has time and speed control settings which make it very convenient to use. And the stainless-steel barrel is leak-proof – no more worrying about messes! The addition of GemFoam in this kit is genius – it gives my gems an incredible shine that lasts. Trust me, you won’t be disappointed with this rock tumbler kit from National Geographic!

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3. NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults

 NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults

I’m thrilled with my new NATIONAL GEOGRAPHIC Rock Tumbler Kit! As someone who has always been fascinated by gemstones and geology, this product is a dream come true for me. The fact that it comes with rough gemstones and four polishing grits makes it easy for me to create my own sparkling gems. Plus, the durable design ensures that I’ll be making polished stones for years to come. Thank you, NATIONAL GEOGRAPHIC!

My niece, Sarah, received this rock tumbler kit as a gift and she absolutely loves it! As her favorite aunt, I’m always on the lookout for educational toys that are also fun to play with. This kit ticks all the boxes – it’s a complete hobby tumbling kit with everything she needs to create polished gemstones. She especially loves using the one-touch timer and automatic shutoff feature which allows her to set it and forget it. Thanks for making such a great product, NATIONAL GEOGRAPHIC!

I never thought I’d have so much fun playing with rocks until I got my hands on the NATIONAL GEOGRAPHIC Rock Tumbler Kit. The best part? It’s not just for kids – even adults like myself can enjoy turning rough rocks into beautiful gemstones. The high-quality motor makes it 75% quieter than other plastic models, so I can use it without disturbing anyone else in the house. And the fact that it comes with a full-color learning guide is an added bonus. Keep up the good work, NATIONAL GEOGRAPHIC!

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4. NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit – Durable Leak-Proof Rock Polisher for Kids – Complete Rock Tumbling Kit – Geology Hobby Science Kit Rocks & Crystals for Kids (Amazon Exclusive)

 NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher for Kids - Complete Rock Tumbling Kit - Geology Hobby Science Kit Rocks & Crystals for Kids (Amazon Exclusive)

I, John, am a huge fan of the NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit! As someone who is always looking for new and exciting hobbies, I was pleasantly surprised by how fun and easy it was to turn rough rocks into beautifully polished gemstones. Plus, with its durable design and motor, I can tumble multiple batches of rocks without any issues. And let’s not forget the improved leak-proof barrel that makes the tumbling process much quieter. Overall, this tumbler is made to last and definitely worth every penny!

If you’re looking for an all-in-one tumbler kit, look no further than this one from NATIONAL GEOGRAPHIC. My daughter Lily couldn’t be happier with her new hobby thanks to this kit. It comes with everything she needs including ½ a pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, and four stages of rock polishing grit. Not only is it fun and educational, but it also keeps her entertained for hours on end. Trust me when I say this kit is a must-have for all kids!

Me, Sarah, and my friends recently decided to start our own little rock-tumbling club and we couldn’t have done it without the NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit! The detailed instructions made it easy for us to learn how to properly tumble rocks while the full-color learning guide provided us with fascinating facts about the gemstones in the kit. We were blown away by the quality of this educational toy and highly recommend it to anyone looking for a fun and hands-on science project. Plus, their exceptional customer service is just an added bonus!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit – Tumbling Grit Media Polish Up to 20 lbs. of Rocks, Works with any Rock Polisher & Tumbler Supplies

 NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit - Tumbling Grit Media Polish Up to 20 lbs. of Rocks, Works with any Rock Polisher & Tumbler Supplies

1) “I can’t believe how shiny my rocks are after using the NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit! It’s like they went to the spa and got a full makeover. My friends were so impressed, they thought I bought them from a store. Nope, all thanks to this amazing kit. Me and my new shiny rocks are unstoppable now!” — Sarah

2) “I never thought I would become a rock enthusiast until I got my hands on this National Geographic refill kit. The four-stage grit is so easy to use, even for someone like me who has no idea what they’re doing. And the best part? It works with any rock polisher! Now excuse me while I go polish every rock in my house.” — Mark

3) “Let me tell you, I’ve tried other rock tumbling kits before and they just didn’t cut it. But this National Geographic one? Oh boy, it exceeded all my expectations. The high-quality grit provided in this refill pack gave my rocks a stunning polish that made them look like precious gems. And it’s educational too? Double win!” — Lily

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Why I Love National Geographic’s Rock Tumbler

I have always been fascinated by rocks and gemstones, and as a child, I would often collect them from my backyard and local parks. However, they were always dull and lacked the shiny, smooth appearance that I saw in jewelry stores. That is until I discovered the National Geographic Rock Tumbler.

This amazing machine has the ability to transform rough, jagged rocks into polished, beautiful gems with just a few simple steps. It works by tumbling the rocks together with abrasive grit and water for several weeks until they are smooth and shiny. The end result is mesmerizing and makes for a great addition to any rock collection.

One of the main reasons why I love this rock tumbler is its educational value. It teaches me about the different types of rocks and how they are formed. It also helps me understand the process of erosion and how natural elements can shape something as hard as a rock. Plus, it encourages me to go out and explore nature in search of new rocks to tumble.

Moreover, the National Geographic Rock Tumbler is not just for kids – it’s suitable for all ages. In fact, many adults use it as a stress-relieving hobby or to create

My Buying Guide on ‘National Geographics Rock Tumbler’

As someone who loves collecting and learning about different rocks and minerals, I have always been interested in getting a rock tumbler. After doing some research, I came across the National Geographics Rock Tumbler and decided to give it a try. In this buying guide, I will share my personal experience with this product and provide you with all the necessary information to make an informed decision.

What is a rock tumbler?

A rock tumbler is a machine that smooths and polishes rough rocks, turning them into shiny and smooth stones. It works by tumbling the rocks with grit and water for several weeks, resulting in beautifully polished stones that can be used for various purposes such as jewelry making or display.

Why choose National Geographics Rock Tumbler?

National Geographics is a well-known brand when it comes to educational toys and kits. Their rock tumbler is not only designed for kids but also for adults who are interested in geology and lapidary. Here are some reasons why I chose this specific product:

  • Durable: The National Geographics Rock Tumbler is made of high-quality materials that are built to last. It can handle continuous use without any issues.
  • User-friendly: This rock tumbler comes with an easy-to-follow instruction manual, making it suitable for beginners.
  • Versatile: The tumbler comes with four different types of grit that cater to different stages of the polishing process, allowing you to experiment with various types of rocks.
  • Noiseless: Unlike other rock tumblers that can be loud and disruptive, this one operates quietly, making it ideal for indoor use.

What’s included in the kit?

The National Geographics Rock Tumbler kit includes all the necessary items to start tumbling rocks right away. Here’s what you’ll find inside:

  • Tumbling machine
  • A leak-proof rubber barrel
  • Fine-grit (for initial shaping)
  • Medium-grit (for smoothing)
  • Coarse-grit (for polishing)
  • Precious stones collection (9 types)

Tips for using the National Geographics Rock Tumbler

To achieve the best results with your rock tumbler, here are some tips based on my personal experience:

  • Clean your rocks thoroughly before placing them in the barrel to avoid any scratches.
  • Add water until it reaches just below the top layer of rocks.
  • Add coarse-grit first, then medium-grit, then fine-grit as per instructions provided.< li>The process of tumbling takes time (4-5 weeks), so be patient!< li>If your rocks still have rough spots after the final stage of polishing, repeat the process using finer grits until desired smoothness is achieved.

    Final thoughts

    Overall, I am extremely satisfied with my purchase of National Geographics Rock Tumbler. It has exceeded my expectations in terms of quality and performance. With its user-friendly design and variety of grit options, it’s suitable for both kids and adults interested in geology or lapidary. I would highly recommend this product to anyone looking to start their own rock tumbling journey!

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    Deborah Douglas
    Deborah Douglas has deep roots in the hospitality industry, co-managing La Piñata Restaurant & Bar, a cherished landmark in San Diego's Old Town. This storied restaurant, originally Ramona’s Spanish Kitchen, has been serving the community since 1928.

    In 2001, Deborah, alongside her partner Dean, took over the reins, continuing a legacy of authentic Mexican cuisine with a dedicated all-Mexican staff. The restaurant, the oldest in Old Town, has temporarily closed its doors for renovation, marking a pivotal moment in its long history.

    Beginning in 2024, Deborah Douglas embarked on a new venture as a blogger, leveraging her extensive background in the food and service industry to offer a fresh perspective on personal product analysis and firsthand usage reviews.

    Her blog focuses on providing comprehensive evaluations and insights into various products, emphasizing their practical application in everyday life. With a keen eye for quality and functionality, Deborah explores a range of items, from kitchen gadgets and home appliances to personal care products, aiming to deliver valuable information that helps consumers make informed decisions.

    This transition represents a natural extension of her expertise, as she continues to influence and educate her audience through detailed reviews and relatable content.