1 Rubber playground ball for each court
Space for courts (1 court for every 4-5 people)- can be drawn on a large concrete area with sidewalk chalk or taped off with painters' tape
Set Up:
To ensure all individuals are able to participate, draw one court for every 4-5 participants: Draw a large square and divide it into four smaller squares. Number each square 1-4. Each of the four players stands in one of the smaller squares.