"If it's too big then it'll be harder to put on top of the base, and it won't be very stable," Donnie explains. He smiles at Te Mi's mom, moving to help pack some snow on the ball she's starting.

"Oh yeah. It's one of the things kids do all the time when it snows enough. There's sledding too. Not sure you guys have sleds though. Hm. Maybe we can improvise..." he considers. "Well, we can figure that out later."