Tug of war is fun and a great work-out. However, there is no running involved. In comes Tugball, a game that uses a Tugball to combine tug-of-war, running, kicking, and throwing. Not only will this game combine cardiovascular exercise with anaerobic exercise, it's fun and exciting. PE teacher created, student tested and approved. Visit www.tug-ball.com for even more Tugball fun.