Well our kids love the museum/playground, but two are under 6. They are happy here and we make a point to bring our kids to museums. Our oldest 8 gets a bit bored.
As I said in the Con, almost every time we have visited the museum we have found the staff to be rude and not interested in guests.
Such as waiting long periods for the staff to stop talking to each other to assist us while no one else was around. But, my personal favorite was when I had to take my daughter into the restroom, where we came across a member of staff talking on her cell and she had the audacity to complain about us being loud for washing our hands and for my daughter talking to me while she-the staff was on the phone.
Also, by our definition, this is more of a glorified playground then museum.
Pros: My Kids love it
Cons: Rude and Disinterested Staff-Expensive