[Aang's enthusiasm more or less seals it. He hopes the doesn't cost much, not that he was saving for anything...]

I dunno. I've never tried. [But it's clear the idea doesn't bother him. It doesn't eat it eat it, Katara, gosh. He cups his chin.] I could test it here, but it'd take too long to get anything out of it. I'd be better off trading in points for the paper.