I'm surprised the kids didn't want to sit and pet reptiles, too. Maybe it was just too long, I don't know. My daughter was invited recently to a party with 27 kids! The birthday boy was turning 6, too. However, his family does parties at ages 6, 10, 14, 16, etc., so that's why it was so big a party. The present opening part was *long* and pretty much all the kids went off to play after their present was opened, so I can see it being a little tiresome to sit still for too long at a party. The kids may have been wound up already, too, if they expected a different kind of party. Having about as many kids as your child is turning is a good rule of thumb, but some people do have a reason to go with something different and it can work well. This story is making me really nervous about my daughter's 6th birthday party on Saturday, though! It's the first one that she's invited boys to, and I'm a little worried that the kids will be louder and wilder.