Zig Zag Ball

2 teams each with a ball. Teams stand in two lines so that opposing team members are spaced alternately down the line. Second line is parallel to first, but starts with a member of the opposite team. Objective is to pass the ball without dropping it to each team member in turn so that the ball takes a zigzag route down the line. Drops must be passed back to team member that dropped it. First team to finish wins.