#10,469 in Toys & Games
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Reddit mentions of National Geographic Professional Rock Tumbler Kit- Features Include Shutoff Timer & Speed Control, 2 Pound Barrel, 2 Pounds of Gemstones, 8 Polishing Grits, Jewelry Fastenings & Learning Guide
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of National Geographic Professional Rock Tumbler Kit- Features Include Shutoff Timer & Speed Control, 2 Pound Barrel, 2 Pounds of Gemstones, 8 Polishing Grits, Jewelry Fastenings & Learning Guide. Here are the top ones.
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CREATE STUNNING GEMS - Transform ordinary rocks into beautifully polished gemstones with this professional rock tumbler from National GeographicCOMPLETE HOBBY KIT - Includes our Pro series tumbler, 2 pounds of rough gemstones, 8 polishing grits, jewelry fastenings, information guide, and instructions; great for kids and adultsBUILT TO LAST - This powerhouse machine will last for years and features a 2-pound, leak-proof rubber barrel which makes less noise than other rock tumblersPROFESSIONAL FEATURES - Includes speed control and a shutoff timer for faster tumbling times and better polishing resultsRESPECTED QUALITY - This premium tumbler comes with National Geographic’s 100% satisfaction guarantee and a 2-year warranty
Specs:
| Color | Silver |
| Height | 18 Inches |
| Length | 18 Inches |
| Number of items | 1 |
| Release date | September 2019 |
| Size | One Size |
| Width | 10 Inches |
Model it after a rotating rock tumbler like this or this . That design covers several issues like load, slip and gear reduction.