You can have the camera there but you can't take pictures. There are guards in every room (at least this is the way it was in Newark, so I am assuming it's the same in Cincinatti), and if they see you taking pictures they will yell at you. But of course you can bring your camera in....
I went to the Cincinnati one, and there were no guards I was aware of. It is really unfortunate they did not allow cameras

, there was so much to see! There were home videos, lots of pictures, religous icons, letters (a lot asking for stamps), notes between the family, gowns, paintings, toys, books, lots of personal belongings (too many to list), and a video of the Romanov decentants.

And I agree with mek, there have been better gift shops!

It was great. My history teacher went too.
Oh, sorry if I got carried away...!

As for the chairs, I don't know much about them, sorry. :-/