• Beltless Grinding: Indulge in a luxurious stone polishing experience with the patented dual-axis motor of the 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!

Rock Tumbler Kit, Beltless Pro Stone Tumbler for Kids, 1lb Barrel/9-Day Timer/4 Speeds, Advanced Rock Polisher includes Rough Gemstones/Grits/Jewelry Fastenings/Learning Guide for All Ages
No belt transmission without the need for maintenance. 60dB low noise with overload protection makes you feel more secure.
Automatically detects barrel load and adjusts speed for best efficiency. The power-off memory function helps the tumbler automatically restart and run the remaining programs after restoring the power.
A perfect rock tumbler kit is an excellent starting point for those interested in this hobby, whether a beginner or young child can quickly start to operate.
Considering the interest in popularization, we offer ten kinds of gems for your practice. Environmentally-friendly packaging for easy storage.
We upgraded the barrel with high sealing and an easy-to-twist open lid. Convenient groove handle for easy lifting and four corner anti-skid pads for stable operation.
Adjust speed according to your needs and set the polishing time according to your preferences. A complete set of professional polishing accessories turning your imagination into a dreamy work of art.
Tumbler Base Material: ABS,Speed: 1-4 Gear,Gross Weight: 5.1 lb / 2.3 kg,Timer: 1-9 Day,Barrel Capacity: 1 lb / 0.45 kg Max,Voltage: 12VDC,Item Model Number: KD-H1013,Rated Power: 10W,Net Weight: 2.9 lb / 1.3 kg,Product Size: 7.5 x 6.3 x 6 in / 19 x 16 x 15 cm,Barrel Size: Φ 4.4 x 5 in / 11.2 x 12.6 cm