Abstract: The present invention is related to a unit utilized in the practice of outdoor sports, specifically, but not solely, for stalking and legally hunting animals. Specifically it refers to an automatically and reversibly transformable trailer-to-raised lookout platform from which the animals may be observed for the purpose of filming them, photographing them or hunting them. It is characterized by consisting of a cube-shaped structure with at least one set of wheels and a hitch for connecting it to a towing vehicle, with a roof made up of a platform and an awning which may be raised and lowered by means of telescoping arms located in each corner and activated by an elevation system which raises the platform above the trailer thus forming the floor of an observation and lookout cabin, as well as the awning which at the same time is raised above the platform making between the awning and the platform means for covering the side opening of the cabin.