VIYUKI Professional Rock Tumbler Kit – Double Drum 6LB Lapidary Polisher for Adults (Double Barrel), Includes Rough Gemstones, 8 Polishing Grits, Jewelry, Learning Guide, Great Stem Science Kit

EASY TO CREATE YOUR GEMSTONES – Rock tumblers for adults are a fantastic and exciting activity for all ages. Easy operation and durable design. Learn the fun process of rock tumbling with this beginner’s/professional rock stone tumbler. It will turn rough rocks into beautifully polished gemstones. It is a hugely popular hobby for adults!
A ROCK TUMBLER MACHINE MADE TO LAST – Our high-quality tumblers are made with a metal case and durable motor that’s designed to last for years. The 2X3LB leakproof rubber barrel reduces sound, making it quieter than other plastic models. Excellent STEM activity for adults.
COMPLETE ROCK TUMBLER KIT –Rock tumbler for adults, Includes rock stone tumbler base, Replacement tumbler belt(5pc), 6-pound capacity barrel for grinding more Stones,2 bag assorted gems 2Lb(920g)，8 bags polishing grits for 4 Steps,5 jewelry settings, extra screwdriver/mesh stranier and 1 operating detailed instruction guide. That will ensure a great finished product.
6LB ROCK TUMBLER EASY TO USE – Simple hobby rock tumbler kit and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it, and forget it! This is an ideal Christmas gift for adults.
A FUN AND EDUCATIONAL GIFT: Rough gemstones for a rock tumbler, make any stone sparkle, and polish everyday rocks into dazzling gemstones! It fascinates adults when they open the box. It fosters a love for science, geology, and mineralogy in a fun and exciting way.