That would be sufficient, but everything has a very good written description that is worth reading.
Yes
It took me and my sister about 4 hours, but we went slowly and took a lit of pictures, and spent money in the awesome gift shop.
Yes. That should be fine. Interesting place.
Yes. One and a half hours is all you need to see, read and take pictures of everything.
Yes, my entire family of five spent about an hour here and about 20 minutes of that was at the bathrooms and gift shop.
More than enough, i spent about 45 min there
Thanks! Your answer is awaiting moderation.