We used those little 5" diameter rubber playground balls. I'll never forget the time I got pounded in the forehead and smacked the back of my head on the wall -- talk about a headache!
"Right Wing Recess"- A guide to a normal childhood without liberal social engineering. It could be written in that "when in a foreign land" format. Detailed examples and illustrations of controvercial recess games, their ettiquitte, casualty rates, and regional variations.