Use a removable pole and almost any larger patio can be converted into a tetherball court! Tetherball is played on a flat circle court about 20 feet in diameter with a 10 to 12 foot pole placed in the center. The circle can consist of concrete, sand, decomposed granite, or grass. It should be an area on which people can easily maneuver as they hit the ball back and forth.
Scott Cohen, contributing writer for Landscaping Network and owner of The Green Scene