A tray (10) for supplying coded golf balls (50) to the tee (41) of a golf driving range comprises a first zone (11) for receiving golf balls, one of which is selected to be played by moving it by means of a club over a barrier (14) to a second (12) where it passes under gravity through an outlet (30) past a code reader (41) to the tee (41). An indicator light (46) is provided to confirm that the code has been read. The barrier (14) may have a grooved side (15) to assist transfer of the golf ball from the first zone (11) to the second zone (12).