PolGem Rock Tumbler Kit – 4-Stage Grit System with 7-Day Timer

Turn Rough Rocks into Stunning Gems — Right at Home

The PolGem Rock Tumbler Kit is everything you need to transform ordinary rough rocks into beautifully polished gemstones. With a built-in 7-day timer and a complete 4-stage grit system, it takes the guesswork out of rock tumbling — perfect for beginners, hobbyists, and young gem enthusiasts alike.

Key Features

• 4-Stage Grit System: Progresses through Coarse, Fine, Polishing, and Final Polishing stages for a professional-quality finish
• Built-in 7-Day Timer: Automatically runs each stage for the optimal duration — no manual monitoring needed
• Complete Kit: Includes everything to get started — just add your rocks
• Great for All Ages: An engaging, educational activity for kids and adults who love geology and crafts
• Durable Barrel: Designed to handle repeated tumbling cycles without wear

Tumbling Stages Included

• Stage 1 – Coarse Grit: Shapes and smooths rough edges
• Stage 2 – Fine Grit: Refines the surface for a smoother finish
• Stage 3 – Polishing: Brings out the natural color and shine
• Stage 4 – Final Polishing: Delivers a brilliant, gem-quality gloss

From rough to radiant in just 7 days. The PolGem Rock Tumbler Kit makes gem polishing effortless, rewarding, and fun.