What're you, some kind of troll bloodhound? [ considering nepeta he would not be surprised.

She has the opportunity to grab some crayons as America leans in to sniff the piece of plastic. Nothing happens. It's like that episode of Arrested Development where Michael finds a paper bag in the fridge labeled DEAD DOVE, opens it, and says, "I don't know what I was expecting." Of course he doesn't smell anything he doesn't have super senses. ]

I don't smell anything. Anyway, not finding a scent of them doesn't mean something isn't up with them.