At the Children’s Congress pupils can slip into the role of researchers. Their task is to solve a real world problem by using strategies from the STEAM field. In this process the pupils are supported by teachers, students of the teacher education and students of the Honors Program from the STEAM department at the Johannes Kepler University Linz. They work together in interdisciplinary projects, where mathematical problem-solving gets combined with arts, and two of the basic concepts of computer science: computational thinking and development of creative (digital) products. The products and results are presented at a final event by the pupils themselves.