---
product_id: 575279744
title: "C1 Pro Max Professional Rock Tumbler Kit - Large 3LB Capacity & Brushless Motor, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids"
brand: "koolstone"
price: "EC$877"
currency: XCD
in_stock: true
category: "Kool Stone"
url: https://grenada.desertcart.com/products/575279744-c1-pro-max-professional-rock-tumbler-kit-large-3lb-capacity
store_origin: GD
region: Grenada
---

# 6X noise reduction 3LB large capacity Brushless motor tech C1 Pro Max Professional Rock Tumbler Kit - Large 3LB Capacity & Brushless Motor, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids

**Brand:** koolstone
**Price:** EC$877
**Availability:** ✅ In Stock

## Summary

> 🪨 Elevate your gem game with the quietest, most powerful rock tumbler on the market!

## Quick Answers

- **What is this?** C1 Pro Max Professional Rock Tumbler Kit - Large 3LB Capacity & Brushless Motor, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids by koolstone
- **How much does it cost?** EC$877 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [grenada.desertcart.com](https://grenada.desertcart.com/products/575279744-c1-pro-max-professional-rock-tumbler-kit-large-3lb-capacity)

## Best For

- koolstone enthusiasts

## Why This Product

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

## Key Features

- • **All-Inclusive Pro Kit:** Includes 1LB assorted rough stones, polishing grits, ceramic media, belts, jewelry fastenings, and a step-by-step guide—start creating immediately.
- • **Whisper-Quiet Tumbling:** Experience up to 6X less noise with advanced soundproof cover and rubber barrel—perfect for indoor use without disruption.
- • **Next-Gen Brushless Motor:** Unmatched power and durability deliver lightning-fast, ultra-smooth polishing for flawless gemstone finishes every time.
- • **Confidence-Backed Warranty:** Enjoy peace of mind with a 1-year warranty, 24/7 support hotline, and hassle-free accessory replacements—your investment is protected.
- • **Precision Control at Your Fingertips:** Customize your polish with 3-speed settings, a 9-day timer with memory, and an intuitive digital display for perfect results.

## Overview

The KoolStone C1 Pro Max is a professional-grade rock tumbler featuring a pioneering brushless motor and a noise-reduction system that cuts sound by 6X. With a large 3LB rubber barrel, 3-speed controls, and a 9-day timer with memory, it delivers precise, ultra-quiet polishing ideal for indoor use. The kit comes fully loaded with rough stones, polishing grits, ceramic media, and accessories, backed by a 1-year warranty and 24/7 support—perfect for hobbyists and STEM learners aged 13+.

## Description

desertcart.com: KoolStone C1 Pro Max Professional Rock Tumbler Kit - Large 3LB Capacity & Brushless Motor, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids : Toys & Games

## Features

- The FIRST and ONLY Noise-Reduction & Brushless Motor Rock Tumbler on the Market – Upgrade Your Rock Polishing Experience
- 1 Year 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲- Special Bonus Just for You! The 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 covers accessories replacement, techical support, 𝟐𝟒/𝟕 𝐜𝐥𝐚𝐢𝐦 𝐡𝐨𝐭𝐥𝐢𝐧𝐞 and so on. 𝐌𝐚𝐤𝐞 𝐲𝐨𝐮𝐫 𝐦𝐨𝐧𝐞𝐲 𝐰𝐨𝐫𝐭𝐡 𝐞𝐯𝐞𝐫𝐲 𝐩𝐞𝐧𝐧𝐲.
- CUTTING-EDGE BRUSHLESS MOTOR, UNMATCHED IN THE MARKET -- C1 Pro Max rock tumbler boasts an unbeatable brushless motor, providing lightning-fast and highly effective tumbling action that leaves your gems and rocks polished to perfection. We take pride in being the pioneers of the brushless motor rock tumbler, currently the first and only one available on the market.
- 6X QUIETER WITH NOISE-REDUCTION COVER, PERFECT FOR INDOOR ROCK TUMBLING -- Experience the tranquility of tumbling with the noise-dampening cover that makes tumbling operations quieter than ever before. Ideal for enthusiasts who enjoy tumbling indoors or have limited space. Moreover, the rubber barrel reduces noise by 75% compared to other plastic barrels.
- EXPEDITED POLISHING AND SUPERIOR RESULTS -- With 3-speed controls allowing for more precise tumbling, a 9-day timer featuring automatic shutoff and memory function, all conveniently displayed on a clear screen, you can effortlessly hone your settings for impeccable polishing results every time.
- EVERYTHING YOU NEED FOR GEMSTONE POLISHING RIGHT AT YOUR FINGERTIPS -- The KoolStone Rock Tumbler includes a complete set of tools required for creating exquisite polished gemstones. Unbox and discover the rock tumbler itself, equipped with a 3LB capacity rubber barrel, 1LB of rough gemstones in 9 different varieties, 2 durable belts, 4 types of polishing grits, a sifter, mesh strainer and ceramic pellets,along with jewelry fastenings and an illustrated tutorial guide. Start tumbling right away!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CG31MLN9 |
| Age Range Description | Suitable for children aged 13 and above |
| Best Sellers Rank | #31,965 in Toys & Games ( See Top 100 in Toys & Games ) #13 in Kids' Rock Tumblers |
| Brand Name | KoolStone |
| Color | Brushless Edition: C1 Pro Max |
| Customer Reviews | 4.6 4.6 out of 5 stars (378) |
| Educational Objective | STEM |
| Included Components | 1-Year Warranty Card, Illustrated Learning Booklet, 1LB Assorted Rough Rocks, 2 Durable Belts, 3LB Capacity Rubber Barrel, Ceramic Tumbling Media, 4 Bags of Polishing Grits, Jewelry Fastenings, Soundproof Rock Tumbler Base with Brushless Motor |
| Indoor Outdoor Usage | Indoor |
| Item Weight | 3.88 kg |
| Manufacturer | KoolStone |
| Manufacturer Part Number | DC20220422 |
| Manufacturer recommended age | 13 years and up |
| Material Type | 1.） Tyre grade rubber barrel and top-quality stainless steel. 2.) If you received the package and missing parts or damaged, no worries, please feel free to reach out at: support@ikoolstone.com to take the replacement. 3.) Any problems before purchasing, please reach out at: support@ikoolstone.com to get the answer. |
| Model Number | C1 Pro Max |
| Number of Packs | 1 |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | Corded Electric |
| Set Name | C1 Pro Max |
| Size | Large 3LB Rock Tumbler Kit |
| Supported Battery Types | No batteries required |
| Theme | Perfect gift for rock lovers, kids, and hobbyists to create stunning polished stones. |

## Images

![C1 Pro Max Professional Rock Tumbler Kit - Large 3LB Capacity & Brushless Motor, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids - Image 1](https://m.media-amazon.com/images/I/71RsoTQ6-rL.jpg)

## Available Options

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

## Frequently Bought Together

- KoolStone C1 Pro Max Brushless Rock Tumbler Kit - Extra Large 3LB Capacity, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids
- KoolStone Large Rock Tumbler Grit Kit [10 Pounds], Polish Up to [50 lbs.] of Rocks, 4 Steps Polish Refill Media Kit with [Ceramic and Plastic Pellet Tumbling Media], Compatible with Any Tumbler
- 5 Packs of Rock Tumbler Replacement Belts, Only Compatible with KoolStone C1, C1 Pro & C3 Rock Tumbler, 78 * 4mm

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**Shop now:** [https://grenada.desertcart.com/products/575279744-c1-pro-max-professional-rock-tumbler-kit-large-3lb-capacity](https://grenada.desertcart.com/products/575279744-c1-pro-max-professional-rock-tumbler-kit-large-3lb-capacity)

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*Product available on Desertcart Grenada*
*Store origin: GD*
*Last updated: 2026-09-18*