S$111.19
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NATIONAL GEOGRAPHIC Rock Tumbler Refill – 1 Lb. Mix of Genuine Agate Rocks for Rock Polishers Includes 5 Jewelry Fastenings & Rock Polishing Grit, Works with All Rock Tumblers

4.7 out of 5 stars 2,927 ratings

Price: S$111.19
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Agate Mix

Enhance your purchase

  • Agates from around the world – 1 lb. Of rough Agate rocks are sourced from around the world. Colors and sizes will vary between refill kits.
  • Four grades of grit - Coarse, medium, fine, polish. Transform your raw stones from rough rocks to dazzling gemstones! This refill kit also works with all rock tumblers.
  • Jewelry fastenings - Additional rock tumbler accessories include 1 necklace, 1 set of earrings, 1 keychain, 1 ring. Create custom jewelry from your newly polished gemstones!
  • Learning guide - our learning guide will teach you all about agates and includes many amazing and fascinating facts
  • 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

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Style Name:Agate Mix

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Frequently bought together

  • NATIONAL GEOGRAPHIC Rock Tumbler Refill – 1 Lb. Mix of Genuine Agate Rocks for Rock Polishers Includes 5 Jewelry Fastenings & Rock Polishing Grit, Works with All Rock Tumblers
  • +
  • National Geographic NGHOBBYTUMBLER Hobby Rock Tumbler Kit
  • +
  • NATIONAL GEOGRAPHIC Rock Tumbler Grit - 3.28 Pounds Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes 8-10 Pounds of Rocks
Total Price: S$301.70
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Product description

Style Name:Agate Mix

Stock up with NATIONAL GEOGRAPHIC Agate refill kit. This gemstone refill kit includes: 1 pound raw Agate rocks, 4 courses of polishing grit, 6 jewelry fastenings, 1 Learning guide, and our 100% satisfaction guarantee.
national Geographic toys is proud to provide a 100% satisfaction guarantee with all our products so that you can buy with confidence.
about the NATIONAL GEOGRAPHIC society
with a mission to inspire people to care about the Planet, the 126-year-old NATIONAL GEOGRAPHIC society is one of the world's largest nonprofit scientific and educational organizations.
national Geographic net proceeds support vital exploration, conservation, research, and education programs.



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Most helpful customer reviews on Amazon.com

Amazon.com: 4.2 out of 5 stars 416 reviews
Lauren Tank
5.0 out of 5 stars Breathtaking stones! Expectations blown away.
22 August 2016 - Published on Amazon.com
Style Name: Gemstone MixVerified Purchase
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5.0 out of 5 stars Breathtaking stones! Expectations blown away.
Reviewed in the United States on 22 August 2016
I purchased this kit for a different brand of rock tumbler and I am currently still in the tumbling process. When I opened the box I was shocked by two things. First, I received higher quality stones than expected. Even in their rough states, I could tell that they would all turn out beautiful. This kit includes the most amazing stones any hobbyist could ever want. Also, there were twice as many stones as could fit in my brand of tumbler, so I got a two-for-one bonus by accident. My expectations were exceeded. I assumed the kit would include a few small okay-looking stones and the rest would be disappointing. Not so! The manufacturers include huge, beautiful stones in this kit. I've used another kit that included really lackluster and not-so-pretty stones, but the quality of this product blew my mind. I expected half as many stones, each at half the size, and maybe altogether the stones would be pretty lame. Maybe a few would be pretty. Even though I'm far from done tumbling this kit, I can already tell that my stones will all be beautiful. This kit is the one to buy, even if your tumbler is of a different brand.
That said, the other thing I noticed is that the kit does not include any instructions, which can be troublesome for those like me who purchase this kit for another brand of tumbler. Not a problem, though, as a quick Google search and my own judgement of the stones after each cycle will be sufficient to get the results I desire. It's the nature of the craft, anyway. More of an art than a science, as no two stones will ever be alike. I will definitely purchase this again! (Note: pictures included in review depict half of the stones in the kit prior to tumbling, and the other half of the stones after the first grit cycle.)
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79 people found this helpful
Mimi
5.0 out of 5 stars Refill Kit Gives Dependable Results
2 March 2016 - Published on Amazon.com
Style Name: Gemstone MixVerified Purchase
Customer image
5.0 out of 5 stars Refill Kit Gives Dependable Results
Reviewed in the United States on 2 March 2016
I'm having great fun with the tumbler I bought from National Geographic. I was ready to start a new group of stones, so I went back to the supplier. I am a lot older than their intended audience, so my objectives are probably a little different - I want polished stones to wrap and make jewelry out of - so 'pretty' is important. I have tried another supplier for rough stones, but I'm too new to this tumbling/polishing hobby to feel confident picking bulk grits/polish, or even of the results with random stones. This kit has the same mix as the stones that came with it. I recommend this Rough Gemstone Refill Kit for getting dependable results. I will order this again as needed.
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36 people found this helpful
Amazon Customer
4.0 out of 5 stars Great Refill Kit.
3 March 2018 - Published on Amazon.com
Style Name: Gemstone MixVerified Purchase
12 people found this helpful
Larry Hornbuckle
5.0 out of 5 stars The variety of stones were great and everything necessary was included
17 December 2016 - Published on Amazon.com
Style Name: Gemstone MixVerified Purchase
21 people found this helpful
Roxane Thweatt
5.0 out of 5 stars Gorgeous stones!
23 February 2018 - Published on Amazon.com
Style Name: Gemstone MixVerified Purchase
Customer image
5.0 out of 5 stars Gorgeous stones!
Reviewed in the United States on 23 February 2018
Super fun box to receive! There is a pleasing variety of stones in generous sizes, including three tiger eyes (my favorite) and several gorgeous agates. I appreciate that I received colorful gem quality roughs, not just a box of cheap colorless quartz. I’m eager to see the final results! Loading up the tumbler today! Although I already had some grit on hand, I appreciate the grit set included in the box. You can never have too much. The jewelry settings are rather basic, perfect for children’s activities, but for adult projects it would be better to buy higher quality settings at a craft store. Glue is not included. You will need to buy some. And the gem booklet is very informative. Overall I will say that this kit is well worth the price, because after a day of grudging through job and home demands, working with these stones puts a smile on my face. And that’s worth a lot!
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9 people found this helpful