---
product_id: 387827979
title: "NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 1 Lb. Mix of Genuine Rough Agate for Tumbling - Supplies include Grit and Jewelry Accessories, Raw Agate"
brand: "blue marble"
price: "$64.93"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/387827979-national-geographic-rock-tumbler-refill-kit-1-lb-mix-genuine
store_origin: US
region: United States of America
---

# 1 lb. global agate mix 6 jewelry fastenings included 4-stage grit polishing system NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 1 Lb. Mix of Genuine Rough Agate for Tumbling - Supplies include Grit and Jewelry Accessories, Raw Agate

**Brand:** blue marble
**Price:** $64.93
**Availability:** ✅ In Stock

## Summary

> 💎 Turn Rough Rocks into Coveted Gems—Because Your Style Deserves a Story

## Quick Answers

- **What is this?** NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 1 Lb. Mix of Genuine Rough Agate for Tumbling - Supplies include Grit and Jewelry Accessories, Raw Agate by blue marble
- **How much does it cost?** $64.93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/387827979-national-geographic-rock-tumbler-refill-kit-1-lb-mix-genuine)

## 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

- • **STEM Meets Style:** Comes with an engaging learning guide packed with fascinating agate facts, perfect for curious minds and creative professionals alike.
- • **Precision Polishing Power:** Four distinct grit grades—Coarse, Medium, Fine, Polish—ensure your stones transform from raw to radiant with professional finesse.
- • **Trusted Quality, Guaranteed:** Backed by National Geographic’s 100% satisfaction promise, blending educational value with premium craftsmanship.
- • **Create & Flaunt Your Own Gems:** Includes necklace, earrings, keychain, and ring fastenings to craft personalized jewelry that stands out in any social circle.
- • **Worldly Wonders in Your Hands:** Experience a curated 1 lb. mix of genuine rough agate sourced globally, each kit uniquely vibrant and varied.

## Overview

The National Geographic Rock Tumbler Refill Kit offers 1 lb. of authentic rough agate rocks sourced worldwide, paired with a comprehensive four-stage grit polishing system and six jewelry fastenings. Designed for ages 8+, this STEM-focused kit includes a detailed learning guide and is backed by National Geographic’s satisfaction guarantee, empowering you to craft stunning, personalized gemstone jewelry with scientific insight and global flair.

## Description

NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 1 Lb. Mix of Genuine Rough Agate for Tumbling - Supplies include Grit and Jewelry Accessories, Raw Agate

## Features

- 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 detailed 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 7.62 x 7.62 x 20.32 cm; 544.31 g |
| Manufacturer recommended age | 8 years and up |
| Item model number | NGAGATEREFILL |
| Educational Objective(s) | STEM |
| Language: | English |
| Number of Puzzle Pieces | 1 |
| Assembly Required | No |
| Scale | small or compact |
| Batteries Required? | No |
| Batteries Included? | No |
| Material Type(s) | Rough Rocks |
| Remote Control Included? | No |
| Color | Agate |
| Language | English |
| ASIN | B07STXHGVN |

## Product Details

- **Brand:** Blue Marble
- **Age range (description):** 8 years and up
- **Colour:** Agate
- **Theme:** Geology
- **Item dimensions L x W x H:** 7.6 x 7.6 x 20.3 centimeters

## Images

![NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 1 Lb. Mix of Genuine Rough Agate for Tumbling - Supplies include Grit and Jewelry Accessories, Raw Agate - Image 1](https://m.media-amazon.com/images/I/91PUva07LvL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- National Geographic Rock Tumbler Refill Kit - 1 Lb. Mix of Genuine Rough Agate Rocks for Tumbling - Rock Tumbler Supplies Include Rock Tumbler Grit and Jewelry Accessories, Raw Agate
- 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
- 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

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-25*