Halloween comes but once a year; a chance to be someone (or something) else, and a chance to get some free candy, of course. For those who feel the need to grumble or refuse candy to teenagers participating, please refrain from saying, "Aren't you a little old to be trick-or-treating?" Let them be young; it's better to be trick-or-treating than getting into trouble. Just smile and reward them with candy.
Here are the details for Trick-or-Treating in Oz: