Abstract: The invention relates to a device or to an assembly comprising one or more devices, wherein the device comprises a carrier, preferably an information carrier, and a holder for the information carrier, wherein the information carrier comprises a display for displaying changing and/or moving images and wherein the display at least partially forms a wind surface for under the influence of the wind moving at least the wind surface, wherein the device comprises control means for controlling the display. Preferably the device further comprises means for generating electric power from a motion of the wind surface.