BENTISM Rock Tumbler Kit, Hobby Edition Includes Rough Gemstones with Durable 3 lb. Barrel, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher, black

<div> <h3><strong>Product Description</strong></h3> <div><strong>Patented Low Noise Grinding</strong><br>No belt transmission without the need for maintenance. 60dB low noise with overload protection makes you feel more secure.<br><strong>Smart Polishing</strong><br>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.<br><strong>Easy to Use</strong><br>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.<br><strong>10 Rare Gemstones</strong><br>Considering the interest in popularization, we offer ten kinds of gems for your practice. Environmentally-friendly packaging for easy storage.<br><strong>Considerate Design</strong><br>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.<br><strong>4-Speed Gears 9-Day Timer</strong><br>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.</div> </div> <div> <h3><strong>Specifications</strong></h3> <div>Item Model Number: KD-C3021</div> <div>Product Size: 12.4 x 7.7 x 7.7 in / 31.5 x 19.5 x 19.5 cm</div> <div>Barrel Size: Φ6 x 6.4 in / 15 x 16.2 cm</div> <div>Barrel Capacity: 3 lb / 1.36 kg Max</div> <div>Gross Weight: 13 lb / 5.89 kg</div> <div>Net Weight: 11.2 lb / 5.08 kg</div> <div>Voltage: 12VDC</div> <div>Rated Power: 16W</div> <div>Speed: 1-4 Gear</div> <div>Timer: 1-9 Day</div> <div>Tumbler Base Material: ABS</div> </div> <div> <h3><strong>Package Content</strong></h3> <div>1 x User Manual</div> <div>2 x Boxes of 10 Kinds Rough Gems</div> <div>1 x Bag of 350g Ceramic Rock Tumbling Media</div> <div>4 x Polishing Grits</div> <div>1 x Mesh Strainer</div> <div>1 x Set of Jewelry Fastenings</div> </div>

• Beltless Grinding: Indulge in a luxurious stone polishing experience with the patented dual-axis motor of the BENTISM rock tumbler kit! Compared to belt conveyer rock tumbler kit, our rock tumbler kit has only 60db of noise and are much more durable.
• 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!