| Building | Materials | Product | Passive? | ||||
| Scholar Station T1 |  | Refined Rough Leather | 1 |
 | Beginner's Leather Research | 1 | No |
 | Beginner's Study Journal | 1 | |||||
| Building | Materials | Product | Passive? | ||||
| Scholar Station T1 | | Refined Rough Leather | 1 |
| Beginner's Leather Research | 1 | No |
| Beginner's Study Journal | 1 | |||||