Beltless Grinding: Indulge in a luxurious stone polishing experience with the patented dual-axis motor of the VEVOR rock tumbler kit! Its 60db low noise and overload protection promise long-lasting rock polishing performance while relieving you from the wear and tear of tumbler belts and bringing you endless fun.

Ultimate Smart Polishing: This ingenious stone tumbler automatically adjusts speed according to the barrel load. This ensures optimal efficiency at all times, and with the added memory function that resumes gemstone polishing work after power outages, you can expect high-quality stone polishing results every time!

10 Kinds Gemstones: Bring your creative vision to life with 10 stunning rare gemstones included in the kit. With ample polishing grits and jewelry fasteners that can be added at any grinding stage, you can turn everyday rocks into dazzling gems. The possibilities are endless!

User-friendly Design: The newly upgraded hobby rock tumbler barrel lid is easy to twist without getting hurt, and the whole operation is highly sealed without worrying about water leakage. The barrel base's groove handle helps you hold the machine easily. The anti-skid pads on the bottom four corners ensure stable operation without shifting.

Fun for Parent-Child Interaction: Strengthen your bond with your child through this engaging and educational rock grinder toy that's fun for all ages. Comes with an easy-to-follow manual, 4-speed gears, and a 9-day timer, making it ideal for novice stone crafters and gem collectors alike. Don't wait - get your rotary rock tumbler today and discover the joy of stone crafting!