---
product_id: 163455007
title: "National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks"
brand: "blue marble"
price: "53669 Ft"
currency: HUF
in_stock: true
reviews_count: 8
category: "Blue Marble"
url: https://www.desertcart.hu/products/163455007-national-geographic-rock-tumbler-refill-kit-5-lb-mix-rocks
store_origin: HU
region: Hungary
---

# 5 jewelry settings included 5 lbs diverse rock mix 20 grit packets for 5 cycles National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks

**Brand:** blue marble
**Price:** 53669 Ft
**Availability:** ✅ In Stock

## Summary

> 💎 Transform Rough Rocks into Polished Treasures — Join the Rock Tumbler Renaissance!

## Quick Answers

- **What is this?** National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks by blue marble
- **How much does it cost?** 53669 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/163455007-national-geographic-rock-tumbler-refill-kit-5-lb-mix-rocks)

## Best For

- blue marble enthusiasts

## Why This Product

- Trusted blue marble brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Endless Rock Variety:** 5 lbs of unpolished gemstones including agate, jasper & Madagascar mixes for nonstop creative tumbling.
- • **STEM Learning Made Fun:** Detailed guide with step-by-step instructions and fascinating stone facts to fuel curiosity and skill.
- • **Complete Polishing Power:** 20 grit packets provide enough abrasive cycles to transform rough stones into gleaming gems.
- • **Craft Your Own Keepsakes:** Includes 5 jewelry settings and a storage pouch to showcase your polished masterpieces.
- • **Trusted Quality & Satisfaction:** Backed by National Geographic’s premium standards and a 100% satisfaction guarantee.

## Overview

The National Geographic Rock Tumbler Refill Kit offers 5 pounds of assorted unpolished rocks and gemstones, 20 rock polishing grit packets for five full tumbling cycles, and 5 jewelry settings to create personalized keepsakes. Designed for ages 8+, this STEM-focused kit includes a detailed learning guide, making it perfect for both beginners and experienced hobbyists eager to explore geology and craftsmanship with trusted National Geographic quality.

## Description

desertcart.com: National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks : Toys & Games

Review: Not my first purchase and not my last, love their products!!! - I recently purchased the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit from desertcart, and I must say that I am thoroughly impressed with the quality and variety it offers. The kit includes 5 pounds of unpolished rocks and gemstones, which provides an enormous variety for tumbling. The rocks are of excellent quality and come in different shapes, sizes, and colors, making the tumbling process exciting and educational. The rock tumbler grit and polish refill that comes with the kit is exceptional. It effectively smooths and polishes the rocks, giving them a beautiful shine. The included instructions are clear and easy to follow, making the tumbling process a breeze, even for beginners. What I appreciate most about this kit is the value for money. The amount of rocks and gemstones provided is generous, ensuring that I have a continuous supply for multiple tumbling sessions. The quality of the rocks and the effectiveness of the grit and polish make this kit worth every penny. Overall, the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit has exceeded my expectations. It offers a wide range of rocks and gemstones, excellent grit and polish, and is a great investment for anyone interested in the art of rock tumbling. I highly recommend this kit to both beginners and experienced tumblers alike.
Review: Must have - Great product

## Features

- ENORMOUS VARIETY - This rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of 2 pounds of gemstone mix, 1 pound of agate mix, 1 pound of Madagascar mix, and 1 pound of jasper mix.
- ROCK POLISHING GRIT – There are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler!
- JEWELRY SETTINGS – Once your rocks are polished, use the 5 included jewelry settings to create beautiful keepsakes or use the included storage pouch to keep your favorite specimens all in one place!
- DETAILED LEARNING GUIDE – The learning guide includes polishing instructions along with fascinating information about the stones in the kit.
- HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07XM95HZY |
| Age Range Description | 8 years and up |
| Best Sellers Rank | #38,878 in Toys & Games ( See Top 100 in Toys & Games ) #15 in Kids' Rock Tumblers #406 in Educational Science Kits |
| Brand Name | Blue Marble |
| Color | Multicolor |
| Customer Reviews | 4.6 out of 5 stars 1,955 Reviews |
| Educational Objective | Learning Education STEM Toys |
| Global Trade Identification Number | 00816448027178 |
| Included Components | 2 Pounds Gemstone Mix, 1 Pound Agate Mix, 1 Pound Madagascar Mix, 1 Pound Jasper Mix, 5 Jewelry Settings, 20 Rock Polishing Grit Packets, 1 Learning Guide with Instructions |
| Item Dimensions | 6.9 x 6.1 x 5.9 inches |
| Item Height | 5.9 inches |
| Item Type Name | 5 Pound Mix of Rocks and Gemstones for Rock Tumblers |
| Item Weight | 6.51 Pounds |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Maximum Age (MONTHS) | 1188.0 |
| Manufacturer Minimum Age (MONTHS) | 96.00 |
| Manufacturer Warranty Description | National Geographic Toys is proud to provide a 100% satisfaction with all our products so that you can buy with confidence. |
| Material Type | Assorted Rocks & Gemstones |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | Manual replacement |
| Size | Medium, Small |
| Sub Brand | National Geographic |
| Subject Character | Indigo |
| Supported Battery Types | No batteries required |
| UPC | 816448027178 |

## Images

![National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks - Image 1](https://m.media-amazon.com/images/I/811+tNpCx3L.jpg)
![National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks - Image 2](https://m.media-amazon.com/images/I/81C0ev6IyjL.jpg)
![National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks - Image 3](https://m.media-amazon.com/images/I/81V8ahf-4XL.jpg)
![National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks - Image 4](https://m.media-amazon.com/images/I/91OApjw+T-L.jpg)
![National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks - Image 5](https://m.media-amazon.com/images/I/91sA8CejWrL.jpg)

## Questions & Answers

**Q: hi we have lost the cord for this, is there one we can purchase?**
A: They are great to deal with I would call them

**Q: With my rock tumbler kit i received 15% off my next purchase of refill pack.  The savings will not apply to the 5# refill, why?**
A: I have tried using this coupon with several different refill packs only for Amazon to not accept it. There seems to be a disconnect between NatGeo and Amazon regarding their promotional coupon codes.

**Q: How to identify tumbled rocks?  i ruined the manual,  its been years since college geology.  any hints?  seriously,  all i can identify is tigers eye.**
A: You can use the internet and now you can get a app from the app store for all rock's identification good luck   : )

**Q: Are the stones ethically sourced?**
A: As a science company we take great care in assuring that all our products are sourced ethically and appropriately.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Not my first purchase and not my last, love their products!!!
*by D***R on January 13, 2024*

I recently purchased the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit from Amazon, and I must say that I am thoroughly impressed with the quality and variety it offers. The kit includes 5 pounds of unpolished rocks and gemstones, which provides an enormous variety for tumbling. The rocks are of excellent quality and come in different shapes, sizes, and colors, making the tumbling process exciting and educational. The rock tumbler grit and polish refill that comes with the kit is exceptional. It effectively smooths and polishes the rocks, giving them a beautiful shine. The included instructions are clear and easy to follow, making the tumbling process a breeze, even for beginners. What I appreciate most about this kit is the value for money. The amount of rocks and gemstones provided is generous, ensuring that I have a continuous supply for multiple tumbling sessions. The quality of the rocks and the effectiveness of the grit and polish make this kit worth every penny. Overall, the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit has exceeded my expectations. It offers a wide range of rocks and gemstones, excellent grit and polish, and is a great investment for anyone interested in the art of rock tumbling. I highly recommend this kit to both beginners and experienced tumblers alike.

### ⭐⭐⭐⭐⭐ Must have
*by X***S on December 2, 2025*

Great product

### ⭐⭐⭐⭐⭐ great
*by E***8 on December 20, 2025*

just what we needed for the Christmas holiday

## Frequently Bought Together

- National Geographic Rock Tumbler Refill Kit - 5 lb. Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks
- Blue Marble National Geographic Rock Tumbler Grit and Polish Refill Kit - Tumbling Grit Media, Polish Up to 20 lbs. of Rocks, Works with Any Rock Polisher, Rock Tumbler Supplies
- 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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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-25*