Abstract: A block ice shaving machine having an outer housing with an insulative inner housing fitted therein that a block of ice is positioned on a bottom surface, and included a rotary cutter housing mounted to one end of the inner housing that includes a rotary cutter that is turned by an electric motor and including a push bar maintained in the inner housing to be moved by operation of a chain drive so as to urge the block of ice against blades of the turning rotary cutter, to shave sections or strips of ice off from the block of ice, with the ice shavings directed out of a discharge chute to be captured in a container and receive a sweet syrup thereover for human consumption. The push bar is driven forward or backward by a sprocket system whose rate of turning is manually controlled by a sprocket and clutch assembly.