Abstract: Luminous signs, specifically those with the ability to change the presented information sequentially, include an electro-mechanical system that produces the synchronized overlapping of two or more preprinted films with translucent properties, in such a way that with an internal luminous source, the sign is capable of creating the effect of real movement, and in the night or in the darkness, the information images displayed by the sign seem to float in the air. The present invention also provides an illuminated sign with the capability of displaying such information or images on more than one of its surfaces.