FYI. I don't know about this particular website but when my son was in elementary school we paid for him to go a two-day space camp at NASA. It wasn't an overnight camp and we live in Houston so it was easy to take him.
It was not cheap, though. I always wanted to go to space camp and I thought he would really enjoy it. He did but not as much as I thought he would have... as a kid, he just took it for granted as nothing special. Kids these days! :dunno: