A gaming machine comprises a cabinet, a decoration panels disposed on the front of the cabinet, display windows provided on the front of the cabinet, a plurality of rotatary reels, each of which has a plurality of symbols on an outer peripheries thereof, a plurality of symbols being visible through the display windows, a light source unit for illuminating said decorate panels from the inside of said cabinet, and a reflection units for guiding the light emitted from the light source unit to illuminate the plurality of symbols.