The host spins a Wheel, which determines prizes offered to the contestant. Keep in mind that this version of the show is unrelated to the long-running Seven Network show of the same name.
Nine Network: 1959-1962
Reg Grundy (1959-1962)
Walter Elliot (1962)
Reg/Walter spins a wheel, which corresponded to a ten-space board; the player chooses black or white, and the associated prize was theirs. determines prizes offered to the contestants.