Original Educational Activities in Elementary School: The First National Workshop Proceedings Book was organised to mark the launch of MARS (Marmara Activities Research Sciences), a scientific platform set up by the Department of Elementary Education at Marmara University’s Atatürk Faculty of Education. The book aims to facilitate the sharing and dissemination of original educational activities at elementary school level, thereby establishing a foundation for scientific collaboration among teachers, teacher trainees and researchers. Held with the support of the Marmara University Rectorate and the Atatürk Faculty of Education, the event featured approximately 300 participants, 25 presentations and various academic seminars. The book includes both teachers' original activity implementations and academics' seminar texts.