The prism — superficially resembles billboard, however it includes the mechanism which actuates tens of trihedrons, which rotating round its pivot-center, show serially each of sides. Thus, 3 different poster designs take place on the prism, periodicity of which is set simultaneously.

Thanks to dynamics this advertisement carrier draw more attention to the poster design. And the prism which is highlighted, provides contact to advertising during dark time of days that is especially actual in a cold season when it gets dark earlier.

The most widespread size is 6х3m. Location — the most popular and often visited places of the city where it is impossible to install a few publicity boards simultaneously.

Company “RTM-Ukraine” has over 68 prisms of various formats.