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Product Description
- Just Place Few Rocks Minerals Into Tumbler With Some Grinding Power
- Select Length of Time to Tumble Longer Time Shinier Rock
- Includes 8 Ounces Gemstone Rocks
- 2 - Step 1 Coarse Grinding Powder
- 2 - Step 2 Fine Grinding Powder
- 2 - Step 3 Polishing Powder
- Ages 10 and Up
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