I went here just this past weekend with my teenage niece and nephew and my two toddlers. The toddlers had a blast in pretty much the whole place. The teens really enjoyed the pretend news studio. Overall my favorite part was the big giant kid sitting in the middle of the museum. It is huge and has places where you can go inside his brain, stomach, heart, etc. As a nurse I found that really cool. You can pretty much see the whole museum in 2 hours or less if you are going at a steady pace. However if you are going with younger children, especially toddlers I would plan in advance on way more time with that. We were there for well over 4 hours and only left because the place was getting ready to close. Just a tip, if you go on Sunday the cafe is closed so plan on eating before you get there. We had planned on having lunch while there only to find it to be closed. They do allow you to leave and come back though so that is another option.
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.