I've seen pictures and videos of this kind of thing before, but I never expected to see it in person... He must have crawled in through the prize chute. Mom was very unhappy, but the bowling alley staff took it in stride and just unlocked the front of the machine to let him out. Update 8/19/13: Because, like every other popular video on YouTube, people just can't resist nasty non-sequitors in the comments, I am disabling them.