In returning from the Croatian mobility, during which teachers learnt about the Kamishibai technique, one of the Erasmus team teachers, involved other teachers and students to disseminate theErasmus activities in the classes: thanks to the collaboration and creativity of these Italian teachers, the students of IC Regio Parco created  their “butai” and the illustrations to tell a story that simultaneously involved the resolution of mathematical problems: an innovative and creative way of using this ancient form of narration of Japanese origins for educational purposes.