| Manufacturer | National Geographic |
| Model | NGTUMBLER2 |
This starter rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
| Manufacturer | National Geographic |
| Model | NGTUMBLER2 |
This starter rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.