[ She copies the motion, laughing, before she has to stop and consider the question. ]

I don't think there'd be anything wrong with it... though you'd probably have to be willing to break character, so you can explain what's going on. I know my mom would've given the stinkeye to anyone trying to just randomly hand me candy.

...But as a kid, I definitely would've been excited for it. So maybe there's a way to pull it off.