A portable light-emitting display device having one or more rotating members including one or more light sources mounted or otherwise affixed thereto. The one or more rotating members are coupled to a motor. The motor and the light sources are each electrically coupled to one or more controllers, which control the speed at which the motor rotates the one or more rotating members and controls a lighting frequency and/or an intensity of all or one or more of the light sources or any combination thereof, to create a visual effect.