Board Thread:General Discussion/@comment-2604:3D09:1A7E:7E00:9575:B659:2413:A0B8-20191125193121/@comment-40112086-20191125193751

To play the Mill (which you need to do for some quests and such), you need lollipops to enter. It became a premium location after the event ended.

So those lollipops are useful :)