STEM education is the-state-of-the-art training of children and adults aimed at solving real cases of the modern world. The representative of the RoSTEM project, a partner of the Rostov Stem centre, conducted this session. The participants had to solve an interesting puzzle: to move a robotized object with the help of improvised legs based on Lego Spike solutions. After brief instruction and brainstorming the students organized a teamwork resulted in the robots’ competition. This event is a fine example of the effectiveness and excitement of the team solution of interdisciplinary tasks.