Abstract: Present invention novelty is based on wearing an active hat on one's head, thus being able to activate, upon demand or in certain defined situations, opening or closing an object, operating or shutting off a visual presentation, when device controlling these actions is attached to the hat. Visual 2 or 3 dimensions presentation, or presentation using an electric screen, can be shown when device opens. The viewer will then be presented with, for example, electronic system, or an electric, or manual mechanism in motion, such as a 3-dimensions doll performing certain actions. Another possible application is appearance of a digital screen showing a picture, a motion picture or a demo, while hat is in open or closed position.