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✨ Rock your world with the ultimate polish power! ⚙️
The NATIONAL GEOGRAPHIC Rock Tumbler Grit & Media Refill Kit is a professional-grade polishing system featuring a 4-stage silicon carbide grit, 1.5 pounds of ceramic media to reduce noise and breakage, and patented GemFoam polishing media for superior shine. Compatible with all rock tumblers, this award-winning kit delivers museum-quality results and is designed to elevate your rock tumbling experience with ease and precision.
| ASIN | B08B7GRBK6 |
| Age Range Description | 8 years and up |
| Best Sellers Rank | #1,810 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Tumbling Media |
| Brand Name | Blue Marble |
| Color | Black |
| Customer Reviews | 4.7 out of 5 stars 2,195 Reviews |
| Educational Objective | STEM |
| Global Trade Identification Number | 00816448027512 |
| Included Components | 1.5 Pounds of Ceramic Media, 10 mL Scoop, 30 g GemFoam, 4 Stages of Silicon Carbide Polishing Grit Compound |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions | 7.48 x 5.32 x 5.47 inches |
| Item Type Name | Ultimate Rock Polishing Supplies Kit |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Part Number | NGFOMCERGRIT |
| Manufacturer recommended age | 8 years and up |
| Material Type | Rock |
| Model Number | NGFOMCERGRIT |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | AC adapter |
| Set Name | Ultimate Rock Polishing Supplies Kit |
| Size | Medium |
| Sub Brand | National Geographic |
| Subject Character | Quarter |
| Supported Battery Types | No batteries required |
| Theme | Science |
| UPC | 816448027512 |
| Unit Count | 1 Count |
D**E
Everythings perfect
Everythings perfect
J**5
Great little starter kit
Functions as described. This is fun for kids and adults. The tumbling process can be kind of noise but worth it. This helps speed the process of tumbling. The small size makes it easy to store. Great gift idea for any rock hound G
K**E
Would buy again
Excellent kit for beginners. Works perfectly with the tumbler I have. Love using the foam for final polishes.
A**.
Great project, a long process
I got this as a gift for my dad, he loves rocks. The rock tumbler has worked well. It is kind of a long/tedious process, but is good since he’s an adult. It came with products (sand, rocks, etc) so you had the ability to get started right away. It’s been enjoyable and fun to see how they turn out.
F**G
Great item
Our kids loved their rock tumbler and the extra supplies allowed them to continue to experience the surprise of polishing their rocks
T**.
Aight
Good but I would just buy another brand. Probably bulk too. If you're seeing if you're getting into the hobby ..... I'd still look elsewhere. Heard the polish is bad as well, so once I get to that stage I will just buy something else.
M**R
Perfect
I really didn’t know what to expect when I purchased this item but I truly love it. It does the job. It’s way different than I’ve used before. Nothing like I expected. I’m highly impressed.
W**U
Polished Rocks
So far this product is great. I have several patches yet to polish of different types of rocks. Phase 3 pre-polish did not leave a film like other products. I have yet to try the sponges but in another week I will. Great instructions for use also.
C**T
Very quiet
Original tumbler had a fault but it was replaced very quickly. Excellent customer service and excellent product. Verrry quiet.
K**Y
Rock Tumbling kit
I am surprised at how well this kit works. Just follow the instructions and you’ll have wonderfully polished rocks. I bought this kit and a separate tumbler just out of curiosity. I have so many rocks on the shelf now I’m sure my wife is hiding them. Definitely worth the purchase.
B**S
Good tumbling media!
Love this media, works well. I haven’t made it to the polish stage yet so I’ll update my review once I do!
J**A
Tumbler grit
Perfect refill products to my tumbler, looking forward to getting more rocks completed.
L**U
Rock tumbler grit
Did the job. Rocks coming out smooth.
Trustpilot
3 days ago
2 months ago