1 Gallon White Polypropylene Pellets (4.0 Lbs)

This is a 12.0 pound mixture of hard nonabrasive ceramic shapes, at $6.81 per pound, in a 1-gallon plastic container.

You have a lot of money wrapped up in your Model B single-drum tumbler, now make it more versatile with this kit which converts it to a double 3-pound drum operation.  Conversion kit...

This "basic" rock tumbler is similar to the Lortone 3A, but boasts a different lid-closure system with an external drive belt which is easier to change and monitor. One 3-Lb capacity barrel and a...

This is a complete set of double-ended rock hardness picks, Mohs 2 through 9, in a nice wooden carrying case.  Comes with a sharpening stone, magnet, glass plate, streak plate and complete...

This tumbling rough from California's wild Yuba River is primarily for the kids--the rocks are already sized and "partially processed" by Mother Nature and are ready for Stage...

This is really nice Jasper from California's famous Stoney Creek drainage.  This rock is hard and it polishes to a high polish.  It is multi-colored and comes in both large & small...

This is very nice Montana Agate from an old estate--very colorful, with lots of dendrites and swirly patterns.  Very hard and polishes to a high sheen.  These are fist-sized pieces and...

This is really gorgeous Mahogany Obsidian in large and small pieces--some call it Leopard Skin Obsidian--it takes an extremely high polish, but there's a trick.  The trick is to start a batch...

This is 2.0 pounds of white, 1/8-inch diameter polypropylene pellets, at $4.66 per pound, in a 1/2-gallon plastic container.

This is 1.0 pounds of white 1/8-inch diameter polypropylene pellets, at 4.93 per pound, in a 1-quart plastic container.