Low cost versatile message board with advertising space

摘要: A message board having multiple surfaces connected together such that they are rotatable with respect to one or more axes. In its simplest design, the includes two around a single axis. The first surface set of messages arranged on front face in predefined pattern. second is stacked over surface, covering surface. windows allow selection and display subset available as rotated each other. other embodiments, additional may include and/or windows, wherein proper alignment relative rotation plurality reveal selected distributed surfaces. invention provides fast efficient method selecting displaying Persistently exposed areas persistently also be provided persistent advertisements, customized names logos, text images. means by which it can attached assist advertisement.