---
product_id: 368848746
title: "Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy"
brand: "dan&darci"
price: "€ 195.81"
currency: EUR
in_stock: true
url: https://www.desertcart.gr/products/368848746-advanced-professional-rock-tumbler-kit-with-digital-9-day-polishing
store_origin: GR
region: Greece
---

# 9-day digital timer low-noise leak-resistant barrel 3-speed precision control Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy

**Brand:** dan&darci
**Price:** € 195.81
**Availability:** ✅ In Stock

## Summary

> 💎 Turn rough rocks into polished perfection—because your desk deserves a little sparkle!

## Quick Answers

- **What is this?** Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy by dan&darci
- **How much does it cost?** € 195.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/368848746-advanced-professional-rock-tumbler-kit-with-digital-9-day-polishing)

## Best For

- dan&darci enthusiasts

## Why This Product

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

## Key Features

- • **Set It and Forget It:** 9-day digital timer with auto shut-off means perfect polish without the guesswork or babysitting.
- • **Whisper-Quiet Operation:** Enjoy a powerful heavy-duty motor that runs quietly and keeps your space peaceful.
- • **Complete STEM Experience:** All-in-one kit with rocks, grit, tools, and a guidebook to spark curiosity and hands-on learning.
- • **Gift That Grows With You:** Ideal for kids and adults alike—turn rough stones into dazzling gems and ignite a lifelong passion for geology.
- • **Precision Polishing Control:** Customize your gem’s shine with 3-speed settings for flawless results every time.

## Overview

The Advanced Professional Rock Tumbler Kit is a complete STEM-focused gem-polishing system featuring a powerful motor, a whisper-quiet leak-resistant barrel, and a digital 9-day timer with 3-speed settings. Designed for ages 8 and up, it includes all materials needed to transform rough stones into polished gems, making it an engaging educational gift that blends science, patience, and creativity.

## Description

Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy

## Features

- Turn rough rocks into polished gems: Discover and learn the fun process of rock tumbling with the Advanced Rock Tumbler. Pour in the rough stones and grit and let the machine do its job!
- Complete kit: Includes: rock tumbler machine, low-noise barrel (1 lb. capacity), 4 grit packets, 1/2 lb. assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, and an illustrated easy-to-follow instruction and learning guide booklet.
- Powerful quality: Runs on a powerful heavy duty motor that will last for a very long time, and includes a leak-resistant barrel that runs quieter than the other brands.
- Advanced features: Includes speed controls (providing more granular tumbling results), a 9-day timer (shuts off automatically when you desire), all displayed on beautiful LCD screens.
- A fun and educational gift for all ages: It's not often that a science project can be fun and engaging, but this kit achieves both! It fascinates children and adults as soon as they pull it out of the box and is a perfect STEM project for any age. It fosters a love for science, geology and mineralogy in a fun and exciting way.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 32.26 x 25.4 x 14.48 cm; 2.72 kg |
| Manufacturer recommended age | 8 years and up |
| Item model number | Rock Tumbler |
| Educational Objective(s) | Earth sciences, hand-eye coordination, patience |
| Number of Game Players | 1 US |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries Included? | No |
| Material Type(s) | Rubber |
| Color | Rock Tumbler |
| ASIN | B07Q32W334 |

## Product Details

- **Size:** advanced
- **Brand:** Dan&Darci
- **Theme:** Geology
- **Age range (description):** Kid
- **Item dimensions L x W x H:** 32.3 x 25.4 x 14.5 centimeters

## Images

![Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy - Image 1](https://m.media-amazon.com/images/I/81C6ibFx1QL.jpg)

## Available Options

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

## Questions & Answers

**Q: what is the warranty for and how long is it?**
A: I don’t think there is a warranty for it. However, if it’s defective call the company. They seem to be really good at doing the right thing

**Q: Can you confirm the voltage rating of the power cord? only 110v or up to 240v? thank you.**
A: The power supply will work with 100-240v. It has a US plug.

**Q: I get an error code everytime I try and run it doesn't anyone know why? I hardly have anything in it.**
A: Check the owners manual

**Q: Mine didn't come with an instruction booklet. Where can i find one online or request one?**
A: Contact Amazon or the Seller about getting a booklet. As for online guidance, doing a quick google search on how to use a rock tumbler will help.
You can also put your tumbler info into youtube and see someone setting it up and using it. A quick search of Amazon shows several books on rock tumbling as well as gemstone/rock identification.

## Frequently Bought Together

- Dan&Darci Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Geology Toy for Kids All Ages
- 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 Greece*
*Store origin: GR*
*Last updated: 2026-01-28*