National Geographic Rock Tumbler Refill Kit – 3 lbs. of Rough Gemstones and Rocks for Tumbling Including Amethyst and Quartz – Rock Tumbler Supplies Include Rock Tumbler Grit and Jewelry Accessories
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This item is eligible for return within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 5 left in stock, order soon!
Arrives
Aug 1 – Aug 3
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Style: Gemstone Mix
Features
- Gemstones of nine varieties! Tigers Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Black Jasper. (3lb in total)
- Four grades of grit. Coarse, Medium, Fine, Polish. Transform your stones from rough rocks to dazzling gemstones!
- Jewelry fastenings. 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 these unique gemstone specimens and includes many amazing and fascinating facts
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
Product Dimensions: 5.37 x 5.31 x 5.44 inches
Item Weight: 2.99 pounds
Country of Origin: China
Item model number: NGGEMREFILLMEGA
Manufacturer recommended age: 8 years and up
Is Discontinued By Manufacturer: No
Release date: September 10, 2018
Language: English
Manufacturer: JMW Sales, Inc.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Aug 1 – Aug 3
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Financing through Apple Pay
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Similar Products
Top Amazon Reviews
Style: Gemstone Mix
A lot of colors
Reviewed in the United States on February 7, 2025 by MDB
Style: Gemstone Mix
Arrived on time and in great condition
Reviewed in the United States on January 8, 2025 by Amazon Customer
Style: Gemstone Mix
A bit noisy but that’s expected. It was exciting for an 11 - 12 year old grandchild to use with us on his visits. Next he’s going metal detecting in the pathways where Sherman’s army marched through his family land. You take advantage of what is locally available. Fortunately he lives in a very historical area. It’s great.
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Reviewed in the United States on January 22, 2024 by Lilly
Style: Gemstone Mix
Very good value My grandson's really liked it we had a lot of fun and still are enjoying it. The age all depends on how engaged you are with the child you should supervise him with these anyway If a 2-year-old can really enjoy it then I think most children will as well.
Reviewed in the United States on October 11, 2024 by Jack Mayes
Style: Gemstone Mix
He loved his gifts. I’m so impressed that they came so quickly. Thank you so much.
Reviewed in the United States on May 26, 2024 by Beth
Style: Gemstone Mix
I did a couple of batches with the grit that came with these rocks and although the rocks came out smooth they did not come out shiny. I even used some mineral oil (baby oil) but no luck. So for step 4 I used Aluminum Oxide from another kit and it made all the difference. The rocks on the left were done with the original grit provided and the rocks on the right were done with Aluminum Oxide as step 4. Hopefully you can see that the rocks on the right still have that "wet look" and reflect the light and my amethyst is clearer, where those on the left have a matte finish.
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Reviewed in the United States on March 14, 2021 by DSmith DSmith
Style: Gemstone Mix
I never tumbled rocks in my life so I purchased a tumbler. I just picked up rocks and pebbles from my land and started tumbling. Some came out cool and fun looking, some were just gravel. So I purchased this refill, all the stones/gems are super cool. Anything from Hematite to Jasper to Rose quartz. Kit contains 3-1 lbs bags of assorted stones/gems plus each of the four tumbling grits. It has an identification booklet and concise instructions. Pretty easy to follow...1 bag of rocks and 1 packet of grit...2 bags of rocks and 2 bags of grit and so on. The stones were all cool rough but can't wait for them to be polished. This kit will work on any tumbler no matter the brand.
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Reviewed in the United States on October 22, 2018 by Thunderking666
Style: Madagascar Mix
Good for beginners.
Reviewed in the United States on June 28, 2024 by Jeri Rich