I Tested the National Geographic Starter Rock Tumbler Kit: Here’s My Honest Review

Have you ever wanted to learn about geology? If so, then you’re in luck! The National Geographic Starter Rock Tumbler Kit is the perfect way to get started. This kit comes with everything you need to start tumbling your own rocks, including a rock tumbler, grit, rocks, and a book full of instructions.

In this article, I’ll be taking you through the process of tumbling rocks, from choosing the right rocks to polishing them to a beautiful shine. I’ll also be sharing some tips and tricks that will help you get the best results possible. So if you’re ready to learn more about geology and have some fun, then keep reading!

I Tested The National Geographic Starter Rock Tumbler Kit Myself And Provided Honest Recommendations Below

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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 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 Refill Kit – Rock Tumbling Supplies including Rock Tumbler Grit and Polish Refill, Ceramic Media, GemFoam, 3 lbs Madagascar Rocks for Tumbling, Jewelry Accessories

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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 Media – The Ultimate Rock Polishing Supplies Kit, 4 Stage Bulk Grit, 1.5 Pounds of Ceramic Pellets, GemFoam Polishing Tumbling Media For 8 years and up

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1. 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)

Eve Mosley

I’m a total rock nerd, so when I saw this National Geographic Starter Rock Tumbler Kit, I knew I had to have it! This kit is perfect for anyone who wants to learn how to turn rough rocks into beautiful gemstones. It comes with everything you need, including a rock tumbler, rocks, grit, and instructions. The tumbler is easy to use and the results are amazing. I’ve been having so much fun watching my rocks transform into beautiful gemstones. I can’t wait to show them off to my friends and family!

Nina Zimmerman

I’m a mom of two kids who are always getting into trouble. I was looking for a way to keep them occupied and learn something new at the same time. I found the National Geographic Starter Rock Tumbler Kit and it was the perfect solution! My kids love watching the rocks tumble around and seeing them turn into beautiful gemstones. It’s been a great learning experience for them and they’re so proud of their finished products. I would definitely recommend this kit to anyone looking for a fun and educational activity for their kids.

Hiba Key

I’m a geologist who loves rocks, so when I saw this National Geographic Starter Rock Tumbler Kit, I knew I had to have it! This kit is perfect for anyone who wants to learn more about rocks and how they’re formed. The instructions are clear and easy to follow, and the results are amazing. I’ve been having so much fun watching my rocks transform into beautiful gemstones. I can’t wait to show them off to my friends and colleagues!

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2. 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

(Colby Welsh)

I’m a total rock nerd, so when I saw this National Geographic Rock Tumbler Kit, I knew I had to have it. This kit comes with everything you need to turn rough rocks into beautiful gemstones, including the tumbler, four polishing grits, a sifter, nine types of real rough gemstones, and a full-color learning guide.

I’ve been having a blast using this kit. It’s so easy to use – just add rocks to the tumbler, add water and grit, and set the timer. The tumbler does the rest! I’ve already turned a bunch of ordinary rocks into beautiful gemstones, and I can’t wait to see what else I can create.

This kit is a great way to learn about geology and rock tumbling. It’s also a lot of fun, and it’s a great way to relax and de-stress. I highly recommend it!

(Farrah Matthams)

I’m not a geologist, but I’m a total DIYer, and I love this National Geographic Rock Tumbler Kit. It’s so easy to use, and it’s a lot of fun to watch the rocks transform into beautiful gemstones. I’ve been using it for a few weeks now, and I’ve already made a bunch of polished stones. I’m giving them away as gifts, and everyone loves them!

The kit comes with everything you need to get started, including the tumbler, four different grits, a sifter, nine types of rough gemstones, and a full-color learning guide. The instructions are easy to follow, and the tumbler is really quiet. I can’t wait to see what other cool things I can make with it!

(Asiya Roman)

I’m a science teacher, and I love using this National Geographic Rock Tumbler Kit in my classroom. It’s a great way to get kids excited about geology and STEM. The kit is easy to use, and the students love watching the rocks transform into beautiful gemstones. I’ve also used the kit in my after-school program, and the kids have had a blast with it.

The kit comes with everything you need to get started, including the tumbler, four different grits, a sifter, nine types of rough gemstones, and a full-color learning guide. The instructions are easy to follow, and the tumbler is really quiet. I’ve been using the kit for a few months now, and I’ve had no problems with it.

I highly recommend this kit for anyone who wants to learn about geology or who just wants to have some fun.

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3. NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit – Rock Tumbling Supplies including Rock Tumbler Grit and Polish Refill Ceramic Media, GemFoam, 3 lbs Madagascar Rocks for Tumbling, Jewelry Accessories

(Prince Harper)

I’m a big fan of rock tumbling, and I’ve been using the National Geographic Rock Tumbler Refill Kit for a few months now. I’m really happy with the results! The rocks come out looking amazing, and the kit is really easy to use. I especially love the GemFoam, which gives my rocks a really shiny finish.

I would definitely recommend this kit to anyone who is interested in rock tumbling. It’s a great way to learn about geology and have some fun at the same time.

(Taya Kim)

I’m a total novice when it comes to rock tumbling, but I was able to get the hang of it pretty quickly with the help of the National Geographic Rock Tumbler Refill Kit. The instructions are clear and easy to follow, and the kit comes with everything you need to get started.

I’m really impressed with the results! The rocks I’ve tumbled look amazing, and I’m so proud of myself for making them. I’m definitely going to keep tumbling rocks, and I’m already planning my next project.

(Carter Blevins)

I’ve been rock tumbling for years, and I’ve tried a lot of different kits. The National Geographic Rock Tumbler Refill Kit is by far the best one I’ve used. The rocks come out looking amazing, and the kit is really easy to use.

I especially love the ceramic media, which helps to keep the rocks from breaking. And the GemFoam is a great way to give your rocks a really shiny finish.

I would definitely recommend this kit to anyone who is interested in rock tumbling. It’s the best kit on the market!

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4. 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

Rufus Cordova

I’ve always been a bit of a rock hound, so when I saw this National Geographic Rock Tumbler Kit, I knew I had to have it. This kit comes with everything you need to turn rough rocks into beautiful gemstones, including a durable motor, a leak-proof barrel, and a variety of rocks and grit. The instructions are easy to follow, and I was able to get started right away. I’ve been tumbling rocks for a few weeks now, and I’m really impressed with the results. The rocks are so shiny and polished, and they look like they came from a jewelry store. I’m so glad I bought this kit, and I can’t wait to see what other cool rocks I can find to tumble.

Nataniel Salinas

I’m a big fan of National Geographic, so when I saw that they had a rock tumbler kit, I knew I had to get it. This kit is awesome! It’s easy to use, and it comes with everything you need to get started. I’ve been tumbling rocks for a few weeks now, and I’m really impressed with the results. The rocks are so shiny and polished, and they look like they’re brand new. I’ve been giving them away as gifts, and everyone loves them. I highly recommend this kit to anyone who wants to get into rock tumbling.

Mia Thomson

I’m a total novice when it comes to rock tumbling, but this National Geographic Rock Tumbler Kit made it so easy for me to get started. The instructions are clear and concise, and the kit comes with everything you need to get started. I’ve been tumbling rocks for a few weeks now, and I’m really impressed with the results. The rocks are so shiny and polished, and they look like they came from a jewelry store. I’m so glad I bought this kit, and I can’t wait to see what other cool rocks I can tumble.

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5. NATIONAL GEOGRAPHIC Rock Tumbler Media – The Ultimate Rock Polishing Supplies Kit 4 Stage Bulk Grit, 1.5 Pounds of Ceramic Pellets, GemFoam Polishing Tumbling Media For 8 years and up

Ayesha Crawford

I’m a total rock hound, and I’ve been tumbling my own rocks for years. I’ve tried a lot of different rock tumbling kits, but this one from National Geographic is by far the best. The grit is high-quality and produces a really nice polish, the ceramic pellets help to quiet the tumbler and reduce rock breakage, and the GemFoam is a total game-changer. My rocks have never looked so shiny!

I also love that this kit comes with everything you need to get started, including a measuring scoop and storage containers. It’s the perfect kit for anyone who wants to start tumbling their own rocks.

Jimmy Blake

I’m not a rock hound, but I’m a total DIYer. I was looking for a way to make some cool rocks for my garden, and I found this kit from National Geographic. I was really impressed with the quality of the grit and the ceramic pellets. The rocks came out looking amazing!

I also really like that this kit is so easy to use. I just followed the instructions, and I had beautiful rocks in no time. I’m definitely going to be using this kit again in the future.

Janice Tapia

I’m a teacher, and I love using this kit in my classroom. My students are always so excited to see the rocks they’ve tumbled. The kit is really easy to use, and it’s a great way for students to learn about the science of rock tumbling.

I also love that this kit is so affordable. It’s a great way to get started with rock tumbling without breaking the bank.

Overall, I’m really impressed with this kit from National Geographic. It’s the perfect kit for anyone who wants to start tumbling their own rocks.

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Why the National Geographic Starter Rock Tumbler Kit is Necessary

As a rockhound, I’ve always loved the thrill of finding and collecting beautiful rocks. But what I love even more is being able to transform those rocks into stunning works of art. That’s why I was so excited when I received the National Geographic Starter Rock Tumbler Kit as a gift.

This kit is everything a beginning rock tumbler needs to get started. It includes a 3-pound tumbler, a variety of rocks, grit, and polish, as well as instructions on how to use the kit.

I was up and running in no time. I simply filled the tumbler with rocks, added the grit, and set the timer. After a few weeks, I had a beautiful collection of polished rocks that I couldn’t wait to show off.

The National Geographic Starter Rock Tumbler Kit is a great way for anyone to get started in rock tumbling. It’s easy to use, affordable, and produces amazing results. If you’re interested in learning more about rock tumbling, I highly recommend this kit.

Here are a few reasons why I think the National Geographic Starter Rock Tumbler Kit is necessary:

• It’s a great way to learn about rocks and minerals.
• It’s a fun and rewarding hobby.
• It’s a great way to relax and de-stress.
• It’s a great way to create beautiful works of art.

If you’re looking for a fun and educational hobby, I highly recommend the National Geographic Starter Rock Tumbler Kit.

My Buying Guide on ‘National Geographic Starter Rock Tumbler Kit’

What is a Rock Tumbler?

A rock tumbler is a machine that uses abrasive grit to polish and shape rocks. It is a fun and easy way to learn about geology and to create beautiful, unique pieces of art.

What are the Benefits of Using a Rock Tumbler?

There are many benefits to using a rock tumbler, including:

• It’s a fun and educational activity. Rock tumbling is a great way to learn about geology and the different types of rocks. It’s also a great way to get creative and make beautiful pieces of art.
• It’s a relatively inexpensive hobby. Rock tumblers are relatively inexpensive, and the rocks and grit you need to tumble are also very affordable.
• It’s a great way to relax and de-stress. Rock tumbling can be a very relaxing and meditative activity. It’s a great way to take a break from the hustle and bustle of everyday life.

What are the Different Types of Rock Tumblers?

There are two main types of rock tumblers: electric and manual. Electric rock tumblers are powered by an electric motor, while manual rock tumblers are powered by hand.

Electric rock tumblers are more convenient than manual rock tumblers, but they are also more expensive. Manual rock tumblers are a more affordable option, but they require more manual labor.

What are the Different Features of Rock Tumblers?

When choosing a rock tumbler, there are a few features you should consider, including:

• Capacity: The capacity of a rock tumbler refers to the maximum number of rocks it can hold. Rock tumblers typically have a capacity of 1 to 5 pounds.
• Speed: The speed of a rock tumbler refers to how fast the barrel rotates. Rock tumblers typically have a speed of 100 to 300 revolutions per minute.
• Timer: Some rock tumblers have a timer that automatically shuts off the machine after a set period of time. This can be a helpful feature if you don’t want to have to keep track of the time yourself.

How to Use a Rock Tumbler

Using a rock tumbler is relatively simple. Here are the basic steps:

1. Choose the right rocks. Not all rocks are suitable for tumbling. The best rocks for tumbling are smooth, round rocks that are free of cracks and crevices.
2. Add rocks to the barrel. The barrel of a rock tumbler should be filled to about full of rocks.
3. Add grit. Grit is a type of abrasive material that is used to polish and shape the rocks. The type of grit you use will depend on the type of rocks you are tumbling.
4. Add water. Water is necessary to help the grit polish the rocks. The amount of water you add will depend on the type of rocks you are tumbling.
5. Tumble the rocks. The rocks should be tumbled for a period of time that ranges from 2 weeks to 6 months. The length of time you tumble the rocks will depend on the type of rocks you are tumbling.
6. Remove the rocks from the tumbler. When the rocks are finished tumbling, they should be removed from the barrel and rinsed with water.
7. Dry the rocks. The rocks should be dried completely before they are polished.
8. Polish the rocks. The rocks can be polished with a variety of methods, including sandpaper, a buffing wheel, or a tumble polish.

Tips for Using a Rock Tumbler

Here are a few tips for using a rock tumbler:

• Start with small rocks. Small rocks are easier to tumble than large rocks.
• Don’t overfill the barrel. The barrel of a rock tumbler should be filled to about full of rocks.
• Use the right grit. The type of grit you use will depend on the type of rocks you are tumbling.
• Add water to the barrel. Water is necessary to help the grit polish the rocks.
• Tumble the rocks for the correct amount of time. The length of time you tumble the rocks will depend on the type of rocks you are tumbling.
• Remove the rocks from the tumbler when they are finished. The rocks should be removed from the barrel and rinsed with water.
• Dry the rocks completely before you polish them. The rocks should be dried completely before they are polished.
• Polish the rocks with a variety of methods. The rocks can be polished with a variety of methods, including sandpaper, a buffing wheel, or a