---
product_id: 243434713
title: "National Geographic Professional Rock Tumbler Kit with 907 g Barrel"
brand: "blue marble"
price: "$297.35"
currency: USD
in_stock: true
category: "Blue Marble"
url: https://www.desertcart.us/products/243434713-national-geographic-professional-rock-tumbler-kit-with-907-g-barrel
store_origin: US
region: United States of America
---

# Includes 9 gemstone types + GemFoam polisher 75% quieter stainless-steel barrel Durable motor with time & speed control National Geographic Professional Rock Tumbler Kit with 907 g Barrel

**Brand:** blue marble
**Price:** $297.35
**Availability:** ✅ In Stock

## Summary

> 💎 Polish your passion, rock your world!

## Quick Answers

- **What is this?** National Geographic Professional Rock Tumbler Kit with 907 g Barrel by blue marble
- **How much does it cost?** $297.35 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/243434713-national-geographic-professional-rock-tumbler-kit-with-907-g-barrel)

## 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

- • **All-Inclusive STEM Kit:** Comes complete with 453g of diverse rocks, tumbler grit, strainer, and innovative GemFoam polisher.
- • **Whisper-Quiet Precision:** Experience 75% less noise thanks to the stainless-steel, leak-proof barrel design.
- • **Effortless Gemstone Creation:** Transform rough stones into dazzling gems with simple, set-and-forget operation.
- • **Next-Level Shine with GemFoam:** Reusable GemFoam adds an unmatched sparkle to your polished stones, making your collection stand out.
- • **Educational & Fun for All Ages:** Perfect for kids and adults, fostering geological curiosity and hands-on STEM learning.

## Overview

The National Geographic Professional Rock Tumbler Kit is a durable, easy-to-use STEM hobby set designed for kids and adults. Featuring a quiet stainless-steel barrel with time and speed controls, it includes 453 grams of rough rocks, tumbler grit, a strainer, and the innovative GemFoam polisher to create brilliantly polished gemstones. This all-in-one kit combines educational value with hands-on fun, perfect for geological exploration and creative expression.

## Description

Turn rough rocks into polished gems with this durable, easy-to-use rock tumbler kit. Includes stones, grit, and GemFoam polisher for a fun STEM hobby.

## Features

- CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
- A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid is 75% quieter overall than plastic tumbler barrels.
- ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some! You get 453 grams of rough rocks with nine different types of gemstones inside, five jewellery fastenings, tumbler grit, a strainer, and our innovative new GemFoam rock polisher.
- USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher! Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine!
- SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086Z83SV5 |
| Age Range Description | Kid, Adult |
| Battery Description | No battery required |
| Best Sellers Rank | 50,129 in Toys & Games ( See Top 100 in Toys & Games ) 428 in Educational Science Kits |
| Brand Name | Blue Marble |
| Country Of Origin | China |
| Customer Reviews | 4.2 4.2 out of 5 stars (4,310) |
| Educational Objective | Geological exploration, observation skills, logical thinking |
| Is Assembly Required | No |
| Item Dimensions | 32 x 17 x 26 centimetres |
| Item Highlight | 907 g Barrel, Rough Rocks, Grit and GemFoam Polish, Rock Polishing, Geology Hobby, STEM Science |
| Language | English |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Part Number | NGPROTUMBLER3 |
| Manufacturer Warranty Description | No Warranty |
| Manufacturer recommended age | 8 - 10 years |
| Material Type | Multiple |
| Model Number | NGPROTUMBLER3 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Set Name | National Geographic Professional Rock Tumbler Kit |
| Size | 12.6 x 6.7 x 10.25 inches |
| Sub Brand | national |
| Theme | Earth Science |
| UPC | 816448029288 |
| Unit Count | 1.0 count |

## Product Details

- **Age range (description):** Kid, Adult
- **Brand:** Blue Marble
- **Item dimensions L x W x H:** 32 x 17 x 26 centimetres
- **Size:** 12.6 x 6.7 x 10.25 inches
- **Theme:** Earth Science

## Images

![National Geographic Professional Rock Tumbler Kit with 907 g Barrel - Image 1](https://m.media-amazon.com/images/I/813f+VXqndL.jpg)

## Available Options

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

## Frequently Bought Together

- NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler for Adults & Kids with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Rock Polisher
- 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 Refill Kit – 1Lb. Gemstones and Rocks for Tumbling including Unpolished Amethyst and Quartz – Rock Tumbler Supplies include Rock Tumbler Grit and Jewelry Accessories

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-11-05*