Board Thread:Tapped Out Help/@comment-24.14.191.60-20140830021021

Can someone tell me what I need to do to unlock Marge and Bart. I already earned them but for some reason I cant unlock them, do I need a quest? I'm in boxed in pt. 1 and cant pass from it... Is telling me to bild boxingham place, and its not in my inventory or else. thanks! 