PUT A DAZZLING POLISH ON YOUR ROCKS with Polly Plastics rock tumbler grit and polish refill. Our one-of-a-kind rock polisher kit contains four different kinds of grits to provide initial shaping, ...

We've ranked the best rock tumblers for beginners, kids, adults and professionals who love geology and are on the hunt for sea glass, agates and more When you purchase through links on our site, we ...