Polish Incredible Rocks from Madagascar - With 1.36 kilograms of rocks, you'll have plenty to tumble and enjoy. This pack may include rose quartz, jasper, and other beautiful rocks that you'll treasure.

High-quality polishing grit is provided to give a great shine to about 4 kilograms of rocks, gems, and glass.

Using ceramic tumbler media can make the tumbling process more efficient. It delivers grit better, reduces noise, and minimizes rock breakage.

Introducing GemFoam, a new way to get amazing shine on tumbled rocks. Simply add it to your tumbler after the final grit cycle.

We're dedicated to creating high-quality, hands-on science toys. We stand behind our products and provide excellent service. If you're not completely satisfied, we'll make it right.