The largest rock tumblers that we know of for producing tumbled stones are owned by TopStones Group in Cape Town, South Africa. Their tumblers have barrels with a 6000-pound capacity -- large enough to make the company the world's largest producer of tumbled stones.

Rock Tumbler Kit, K1 Professional Large 2.5LB Capacity Edition - Memory Function, Digital Timer & Variable Speeds: Create Stunning Gems Full Accessories Included

Dive into the fascinating realm of giant rock tumblers! 🪨 Explore their design, functionality, and role in geology while unveiling the art of polishing stones.

2024年2月26日 · Buy National Geographic Professional Rock Tumbler Kit – Extra Large 2 Lb. Barrel with 3-Speed Motor & 9-Day Timer – Geology DIY Kits for Adults, Rock Collection Hobby, Great Educational STEM Science Kit: Rock Tumblers - Amazon.com FREE DELIVERY possible on eligible purchases

The Rebel 17 Rock tumbler features sealed bearings for quiet operation, Large 17lb capacity, and unmatched construction make this a rock solid tumbler

Rock tumblers, instructions, supplies, everything you need for rock tumbling! Thumler's MP-1 Rock Tumbler Kit: Learn about rock tumbling with a quality machine at a low price. Includes all supplies needed to produce your first batch of tumbled stones. Convenient refill kits are available here. Has a soft rubber barrel for quiet operation.

At Kingsley North, we have small and large rock tumblers for sale, as well as machine components for repairs. We’ve got nuts, drive belts, and replacement bowls, allowing you to keep your favorite rock tumbler in great shape! Shop for all your necessary rock-tumbling gear today with Kingsley North.

ROCK TUMBLER WITH PREMIUM BUILD: Our rock tumbler has lifter bars that move content around the barrel for maximum efficiency and effectiveness in production. With its innovative design, the content of the barrel is constantly being rotated and …

Large capacity 3lb barrel made of tire rubber that absorbs the sound making it 75% quieter than plastic barrels overall. ALL-IN-ONE TUMBLING KIT - Everything you need including three pounds of rough rocks; nine different types of gemstones from around the world.