Modular wagering game machine signage is described herein. In some embodiments, a modular wagering game machine sign can include a center module including a plurality of support members, at least one outer panel covering the frame, and a lighted faceplate including lighting units. The lighting units can include light emitting diodes (LEDs) and globes. The sign can also includes at least one side module connected to the center module via hand-spinning latches configured to press against one or more of the center module s support members.