| Building | Materials | Product | Passive? | ||||
| Scholar Station T3 |  | Refined Sturdy Leather | 1 |
 | Essential Leather Research | 1 | No |
 | Essential Study Journal | 1 | |||||
| Building | Materials | Product | Passive? | ||||
| Scholar Station T3 | | Refined Sturdy Leather | 1 |
| Essential Leather Research | 1 | No |
| Essential Study Journal | 1 | |||||