The Wistful Windmill

This is a low level resource building. It is not a good one from Grimalkins . If you have it and no other building is better it is an easy upgrade to max level does not cost much.
You can obtain this building through the following means:
* Possible Reward when you defeat a Grimalkins
* Possible Reward when you defeat a Grimalkins boss
* Defeat a Rival that has this building in there city
lvl	Health	Gold 
/Hr	Cap 	Sale 
Price	upgrade
Cost	Total 
Investiment
11 	346 	1260	1260	 	1600	5800
12 	369 	1340	1340	 	1850	7400
13 	395 	1420	1420	 	2150	9250
14 	424 	1480	1480	 	2450	11,400
15 	458 	1540	1540	 	2700	13,850
16 	497 	1560	1560	 	3000	16,550
17 	542 	1580	1580	9775	max 	19,550