z57 reviews sour baby complaints. Kind of mean if you ask me. But a little cute too. Little guy learned he does not like sour. Poor fella. Watch some more at www.youtube.com/watch?v=xedQaNyg7co www.youtube.com/watch?v=IbdBaewH66M https://vimeo.com/135699293 and then one more at http://www.indeed.com/cmp/Z57-Internet-Solutions/reviews too.