A bonus device and method are set forth for gaming machines. The bonus device is configured as a two dimensional display or three dimensional object, such as a sphere, box, or football shape, which can be controlled to rotate, spin or move to display a bonus. The bonus device is embedded with display technology that allows the bonus amounts, to change upon certain conditions in the base game such as an increased number of credits wagered, combinations achieved in the base game, or other random occurrences.