The master thesis entitled "The trackback" is sculptural installation consisting of a square, white, wooden box with sand. Derived as a participative work in which the observer is invited to co-create – to transform the artwork by turning the box. The artwork sends two-way signals, which are, at one moment, inviting the observer to act, while at another, are alluding to repulse towards the same. It presents the idea of fragmentation, incompleteness which is in a constant loop of transformation, denying the exclusively negative conception of the loop, which suggests the loop as a process. System – unpredictable space for generation and degeneration of fragmented units; made of identical building units – fragments; becomes a subjective perception of objective reality. The role of the observer is equated with the act of observation, which projects reality to observed object. The artwork through the tension of counterweight; confronted at visual and substantive level; is setting elements of minimalism and conceptual into relation as two opposites, which are at the same time merging and departing in one point - objectivity. The impression of uncertainty about categorizing artwork is created by co-existence of two conflicting systems. The first system is an industrial product; whose visual elements are reduced; which alludes to serial appearance and appropriates objectivity in the aspect of minimalism. The first system was brought into relation with another system – the idea as a creation derived from the correlation of observer and object, which at the same time rejects objectivity in the aspect of conceptual art. A relation between industrial product and a concept in its pure form, creates an interspace between the artwork understood as a material object and a creation that arises from it. Rejection and appropriation of objectivity and non-objectivity creates a fluid structure – unrepeatable and always different, but at the same time repetitive and the same. The artwork tries to stimulate the shift in perception and detach from conventional patterns with finished models of thinking by inviting an observer on action – simple act of moving the box. It doesn’t provide instructions on how to create, but suggests the ability to create. The concept of asking a question doesn’t indicate the existence of only one “correct” answer because each answer is “correct” to the one who perceives it. The artwork begins with a question, but coming to an answer, it actually asks a new question, as the title of the artwork suggests – The trackback.