Another nice museum in OKC was the Science Museum. It was worth a good 3H and did a good job having kid friendly and child resistant sections while having better exhibits for adults that wreen't too damaged by said kids. By US science museum standards, it was pretty good. Their small planetarium was definitely better than average:

I can't quite explain how, but Jennifer made it through the tight rope. Well done

Jennifer wasn't having any fun :)

Good times.