This drive device of a liquid droplet discharge head inhibits deterioration of a piezoelectric vibrator, enabling stable liquid droplets to be discharged from the liquid droplet discharge head over a long period of time. The composition can be produced continuously in a twin-screw co-rotating extruder. The gaming system of the present disclosure thus encourages players to continue play of the slot game to attempt to accumulate a complete set of the graphical image symbols such that the gaming system provides the feature.