A modular, flexible and maintenance-free Light Box (Lamp Box) that can be made in any number of rows and columns. It comes in seven different window sizes and is available in single color, bi-color and triple color illumination. The L7525 Series Light Boxes provides maximum design flexibility and virtually maintenance free operations. It is a modular, flexible and maintenance-free Light Box (Lamp Box) that can be made in any number of rows and columns from a single window to 1000 windows with an installed depth of only 68mm to suit any application.