Great game, just has some bugs – Adventure Age Review

This game is great for sitting around and wasting time. But an issue I've been having but haven't seen anyone else mention is that I can't get the fusing to work. Sometimes it will, but more often then not I select them and then they I select and do nothing. Is anyone else having this happen? Or do I not understand a mechanic of fusing?
Review by Chrisw901 on Adventure Age.