Update 4/28/16:
We finally had a chance to return, only because my 10 year old wanted to and has been asking since the last debacle. It was a nice, clean establishment. We went on a day that it was rather quiet, which was fantastic. The heart sizes/ sounds and the supermarket were my kids' favorite exhibits. A lot of the computer kiosks were not working properly or were completely out of order. My older son was getting increasingly frustrated with one computer program that kept resetting itself after he would get pretty far along in the activity and never got to finish.
For the price, it was a nice, quick visit to see something new. There were things for both of my children to enjoy. However, it wouldn't be a regular museum stop for us.