41 Publication of books; organization of exhibitions for cultural or educational purposes; arranging and conducting of workshops for training in the field of science, astronomy, space, spaceships, robots, robotics, arts, crafts, modeling, designing, mechanical engineering; organization of children's scientific, computer, virtual reality, sports, cyber-sports, and electronic game competitions for education and entertainment; entertainer services, namely, the presentation of oral, written and video materials by a professional entertainer; museum services, namely, providing museum facilities for presentation and exhibitions; teaching in the field of science, astronomy, space, spaceships, robots, robotics, modeling, designing, mechanical engineering, history of robotics, space and spaceships; educational services, namely, providing classes, seminars, workshops, lectures in the fields of science, astronomy, space, spaceships, robots, robotics, arts, crafts, modeling, designing, mechanical engineering, history of robotics, space and spaceships; instruction services, namely, conducting classes, seminars, workshops, lectures in the field of science, astronomy, space, spaceships, robots, robotics, arts, crafts, modeling, designing, mechanical engineering, history of robotics, space and spaceships