The young girl smiled. "Really?!" she said. Hooray!! He'd actually agreed!! Now, hopefully she could just get him to have fun. "Ok. A snowball fight is just basically packing snow up into balls and throwing them at the other person, or other people. It may not sound that fun, but it is... well, to most people anyway," she said, her smile widening somewhat. She waited, just incase now that he knew what it was he wouldn't want to do it.