Is this a good place to visit even in the colder months?

Yes, I just came back from there.

Yes. The bulk of the exhibits are inside.

Yes, I think the outside course is probably closed.

Yes

Id say about 90% of the exhibits are inside so yes!

Of course!

Yes. Lots to do inside. There is even a place to get food inside.

Yes, you can easily spend a few hours here. Enjoy the hands on activities.