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💎 Polish your passion, wear your story.
The National Geographic Rock Tumbler Refill Kit offers 3 pounds of 9 diverse rough gemstones, including Amethyst and Quartz, paired with a 4-stage grit system to transform stones into polished gems. Complete with jewelry accessories and an educational guide, this award-winning STEM kit empowers users aged 8+ to create custom jewelry while exploring geology.
| ASIN | B07H7WFWYT |
| Age Range Description | 8 years and up |
| Best Sellers Rank | #41,668 in Toys & Games ( See Top 100 in Toys & Games ) #12 in Kids' Rock Tumblers |
| Brand Name | Blue Marble |
| Color | Multicolor |
| Customer Reviews | 4.7 out of 5 stars 2,406 Reviews |
| Educational Objective | STEM |
| Global Trade Identification Number | 00816448025914 |
| Included Components | 3 Pounds of rough Gemstones |
| Is Assembly Required | No |
| Item Dimensions | 5.37 x 5.31 x 5.44 inches |
| Item Type Name | Rock Tumbler Mega Refill Kit - 3lbs Gemstones of 9 Varieties |
| Item Weight | 1.36 Kilograms |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Maximum Age (MONTHS) | 1188.0 |
| Manufacturer Minimum Age (MONTHS) | 96 |
| Manufacturer Part Number | NGGEMREFILLMEGA |
| Manufacturer Warranty Description | We're proud to make the highest quality products which are backed by exceptional service. |
| Material Type | Plastic |
| Model Number | NGGEMREFILLMEGA |
| Operation Mode | Manual |
| Set Name | National Geographic Rock Tumbler Refill Kit |
| Size | 3 Pounds |
| Sub Brand | National Geographic |
| Supported Battery Types | No batteries required |
| Theme | Geology |
| UPC | 816448025914 |
| Unit Count | 1.0 Count |
K**P
Great rocks to turn into gems
Perfect for rock collectors and gem Collectors alike you get a ton of rocks that you tumble into gems the quality is amazing easy to tumble
A**R
Gift for great grandson’s birthday.
Bought this for great grandson’s birthday at his request. He was very pleased.
D**D
This Rocks
Nice rocks that polish well.
C**N
Super cool, just loud
Its a really cool my son loves it. The only down fall is its really loud.
V**V
ok
good
M**.
Refills
Nice refill packs
R**K
Great for Polishing Rocks!
Grandson is enjoying working with his rock tumbler and his extended Rick collection! Polished rocks very nicely and gets good results. Takes time but does a nice job!
A**R
Smooooooth
Rocks tumbled and shiny smooth!
Trustpilot
2 weeks ago
4 days ago