from level 15
| Origin: | Christmas Event 2023-2024 | 2.795  |
| Christmas Event 2020-2022 | 3.495 |
| Level | 1 | 2 | 3 |
| Appearance |  |
 |
 |
| Build Cost | – | 350  300  |
900 1.000  |
| Build Time | 1 minute | 1 minute | 1 minute |
| Population Limit | +140  |
+170 (+30) |
+200 (+30) |
| Level | 4 | 5 | 6 |
| Appearance |  |
 |
 |
| Build Cost | 1.100 1.000  |
1.500 1.000  |
1.500  2.500 |
| Build Time | 1 minute | 2 minutes | 2 minutes |
| Population Limit | +235 (+30) |
+270 (+30) |
+310 (+40) |
| Level | 7 | 8 | 9 |
| Appearance |  |
 |
 |
| Build Cost | 4.000 5.000  |
4.500 4.500 |
5.000 7.500 |
| Build Time | 2 minutes | 2 minutes | 1 day |
| Population Limit | +350 (+40) |
+400 (+50) |
+450 (+50) |
| Level | 10 | 11 | 12 |
| Appearance |  |
 |
 |
| Build Cost | 5.000 12.500 |
10.000  12.500 |
10.000 15.000 |
| Build Time | 2 days | 4 days | 7 days |
| Population Limit | +500 (+50) |
+550 (+50) i |
+650 (+100) |
Immediately Upgrade a Building:
| Level | 1 | 2 | 3 | 4 | 5 | 6 |
| Cost | 10  |
1.440 |
3.735 |
5.256 |
6.156 |
8.528 |
| Level | 7 | 8 | 9 | 10 | 11 | 12 |
| Cost | 23.805 |
5.400 |
29.183 |
35.888 |
33.638 |
74.250 |