Professional Rock Tumbler Kit

Product Introduction

Turn ordinary rough stones into beautifully polished gemstones with this all-in-one rock tumbling kit. Designed for beginners and hobbyists, it provides a complete home polishing system with adjustable settings, large capacity, and everything needed to start right away.

Perfect for STEM learning, creative hobbies, jewelry making, or family projects, this tumbler transforms raw stones into smooth, shiny treasures over time with minimal effort.

Product Features

1. Large 2.5 lb Capacity Barrel The extra-large barrel allows you to polish more stones in each batch, improving efficiency and reducing processing cycles.
2. 🔇 Quiet Rubber Drum Design Made from durable soft rubber, the barrel significantly reduces noise and vibration for a quieter operating experience.
3. ⏱ 9-Day Programmable Timer Set your polishing cycle in advance and let the machine run automatically for up to 9 days, with memory function to retain settings after interruptions.
4. ⚙️ 3-Speed Adjustable Motor Choose different speeds for grinding and polishing stages, providing better control over different types of stones.
5. 🖥 LCD Digital Display Clear screen shows timer, speed level, and working status at a glance for easy operation.
6. 🧰 Complete All-in-One Kit Includes rough gemstones, polishing grit sets (coarse to fine), jewelry accessories, mesh strainer, spare belt, screwdriver, and user manual—ready to use out of the box.
7. 🧱 Durable & Stable Construction Built for long-term use with improved roller alignment to ensure smooth and consistent tumbling performance.
8. 🎓 Educational & Fun STEM Activity Helps users learn about geology, patience, and material transformation while enjoying a hands-on creative process.

Product Specifications

• Product Type: Rock Tumbler Kit
• Barrel Capacity: 2.5 lbs
• Barrel Material: Soft Rubber (Noise-Reducing Design)
• Motor: 3-Speed Adjustable Motor
• Timer: 9-Day Programmable Timer with Memory Function
• Display: LCD / LED Digital Screen
• Power Source: AC Powered (Plug-in)
• Dimensions: 11.22 × 9.02 × 5.71 in
• Noise Level: Up to 75% quieter than plastic barrels
• Application: Rock polishing, gemstone making, STEM education, DIY jewelry

Package Includes

• 1 × Rock Tumbler Base Unit
• 1 × 2.5 lb Rubber Barrel
• 1 × Power Adapter
• 1 × Rough Gemstone Pack
• 4 × Polishing Grit Sets (Coarse → Fine)
• 1 × Mesh Strainer
• 1 × Jewelry Accessories Set
• 1 × Spare Belt Kit
• 1 × Screwdriver
• 1 × User Manual