Practice firm is a model of a real business. The model allows playback with different degree of complexity of the processes that are carried out in real economic activity and, of course, the transparent representation of these activities for teaching. Practice firm is suitable for acquisition, proving and deepening economical knowledges, personal skills and behaviors applied in all the economic fields, starting from the lower functions up to the management of the enterprise. The power of the practice firm is to practice its external relations. Similarly to the real economy enterprises, all the prectice firms maintain trading relations. In this way students are given the perfect contact with the economic culture of their partners from country home and country abroad.