While visiting Pittsburgh from NYC, i had a few hours to spare with my 12 and 4 year olds in tow.  We decided to spend the time at the Carnegie Science Center.  Great idea.\n\nFirst of all, they accepted a reciprocal science museum membership i had so the cost was free.  Yea.\n\nEach floor had a theme with exhibits that were age appropriate for both kids.  My 4 year old could have stayed at the water exhibit on the fourth floor for an hour.  My 12 year old enjoyed the robots.  The trains were a great way to start and the submarine is a must see to wrap up the visit.\n\nHappy exploring.