Alice doesn't quite roll her eyes, but her impatience is palpable. "The mirror," she repeats, deliberately over-enunciating each syllable. "Let me see it." She needs to know, to understand the enchantments on it, to figure out how it knows what to show and why it's doing it. It isn't until a solid few seconds later that she adds in a slightly less irritated tone:

"I won't break it. I just need to know how it works."