Talk:Air Habitat/@comment-93.172.230.37-20120503143252/@comment-62.220.191.190-20120507081656

Can be different reasons. You either don't have enough gold or you already built maximum habitat that's allowed at your level. You can check that when you click on market and then habitat. It will say x/16. If you have 16/16 means you already built enough for level 14.