---
product_id: 374810181
title: "Advanced Professional Rock Tumbler Kit - with Digital 9-day timer and 3-speed settings - Turn Rough Rocks into Beautiful Gems | Great Science Kit & STEM Gift for all ages | Study Geology & Mineralogy"
brand: "dan&darci"
price: "€ 264.39"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/374810181-advanced-professional-rock-tumbler-kit-with-digital-9-day-timer
store_origin: IE
region: Ireland
---

# 9-day digital timer low-noise leak-resistant barrel 3-speed precision control Advanced Professional Rock Tumbler Kit - with Digital 9-day timer and 3-speed settings - Turn Rough Rocks into Beautiful Gems | Great Science Kit & STEM Gift for all ages | Study Geology & Mineralogy

**Brand:** dan&darci
**Price:** € 264.39
**Availability:** ✅ In Stock

## Summary

> 💎 Turn rough stones into polished brilliance—because your desk deserves a gem!

## Quick Answers

- **What is this?** Advanced Professional Rock Tumbler Kit - with Digital 9-day timer and 3-speed settings - Turn Rough Rocks into Beautiful Gems | Great Science Kit & STEM Gift for all ages | Study Geology & Mineralogy by dan&darci
- **How much does it cost?** € 264.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/374810181-advanced-professional-rock-tumbler-kit-with-digital-9-day-timer)

## 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 lets you multitask without missing a beat.
- • **Whisper-Quiet Operation:** Enjoy a peaceful workspace with a low-noise, leak-resistant barrel designed for durability.
- • **Complete STEM Experience:** All-in-one kit includes rough stones, grit packets, jewelry fasteners, and an illustrated guide to fuel your scientific curiosity.
- • **Perfect Gift for All Ages:** Engage kids and adults alike with a hands-on geology project that turns rough rocks into dazzling gems.
- • **Precision Tumbling Control:** Customize your gem polishing with 3-speed settings for flawless results every time.

## Overview

The Advanced Professional Rock Tumbler Kit is a powerful, quiet, and easy-to-use machine featuring a 9-day digital timer and 3-speed settings. This complete STEM kit includes rough stones, multiple grit packets, and jewelry accessories, making it an ideal educational gift for ages 8 and up to explore geology and mineralogy through hands-on learning.

## Description

Advanced Professional Rock Tumbler Kit - with Digital 9-day timer and 3-speed settings - Turn Rough Rocks into Beautiful Gems | Great Science Kit & STEM Gift for all ages | Study Geology & Mineralogy

## 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 |
|---------------|-------|
| Educational Objective(s) | STEM |
| Model Number | Rock Tumbler |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| Material Type(s) | Metal |
| Colour | Black and Gray |
| Product Dimensions | 32.26 x 25.4 x 14.48 cm; 2.72 kg |
| Item model number | Rock Tumbler |
| Manufacturer recommended age | 8 years and up |
| Manufacturer | Dan&Darci |
| Country of Origin | USA |
| Item Weight | 2 kg 720 g |

## Product Details

- **Size:** 23 cm x 33 cm x 14 cm
- **Brand:** Dan&Darci
- **Theme:** Geology
- **Age Range (Description):** All
- **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 timer and 3-speed settings - Turn Rough Rocks into Beautiful Gems | Great Science Kit & STEM Gift for all ages | Study Geology & Mineralogy - Image 1](https://m.media-amazon.com/images/I/81C6ibFx1QL.jpg)

## 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 Ireland*
*Store origin: IE*
*Last updated: 2026-02-26*