https://en.wikipedia.org/wiki/Handball_(schoolyard_game)
Handball (also four square, n-square - where n is the number of players -, downball or king pin) is a ball game played in schoolyards in Australia, New Zealand, Fiji, South Africa, China and South East Asia.Unlike most types of handball, it does not incorporate a wall, instead of being played on a court consisting of lines on the ground.The game is most frequently played at recess, …