[Della's been so fascinated with the whole scenario that she doesn't even notice who is and who isn't a new arrival when she goes to ask them questions, so she barely even glances at Belle, let alone notices her confusion, when she starts up again.]

Oh, it's real! Trust me, I've already gone and tried pushing half of this stuff over. None of it's cardboard, and that whole ticket thing was way too--

[...Actually this person doesn't. Look like she's handling this whole situation incredibly well, from the way she's tugging at her band like that. It admittedly takes Della a while to actually notice said alarm, but once she does she kind of trails off.]

--Uh, hey, are you okay? The band doesn't really come off... I've tried that, too.