To be fair, she wouldn't put it past him to have a marked deck, or be able to count cards (and if he does, she wants him to teach her). She giggles at his admission of a reputation for dramatics, but then it's back to the neat explosive options themselves.

"Does the size of the object limit how much boom you can put in it, or could you get a bigger bang out of, say, a brick? Or is it a cardstock-only kind of thing?"