Do they have a way for some one who may have a hard time walking around for long periods of times but don't have a wheelchair

Yes they have seating inside. I don't think they transportation from car to door though.

Good question, as my mum would be looking for something to sit on as she is unable to stand for anymore than 30mins, so I try to take note of the places I go to. In the children's area there are seats (but of course they are low). There are a few benches dotted around the museum but overall there is a general lack of seating for seniors (or those who are unable to stand for long periods) to rest on or view exhibits from. They may hire out or have free to use a wheelchair but you would need to phone them and ask

I was just there last week and there's an elevator as well as benches around to sit and rest.

I seen a couple benches inside & they have elevators.