You’ve seen those huge human hamster balls, in which you roll around cushioned by a plastic pillow of air. Now imagine combining those with the initial scene from Raiders of the Lost Ark, or maybe the annual running got the bulls in Pamplona, Spain. Yeah, these folks are chasing each other around with huge rolling inflated hamster balls. We may be seeing the birth of a new sport! Remember this when you’re trying to come up with a birthday or bachelor party idea.