Dr. Eleni Kolokouri works as Laboratory Teaching Staff in the Department of Early Childhood, University of Ioannina, Greece and she is a member of the @fise (AT Formal, Informal Science Education) research group, which is established by the Laboratory of Science Education of the Early Childhood Department. Her research interests are science education in early grades under a cultural historical perspective, the use of innovative tools in teaching procedure as well as education for Sustainability. Her approach is focused on Cultural Historical Activity Theory and its use as a theoretical framework as well as a tool of analysis. Dr. Eleni Kolokouri has great experience in adult training as she has worked as a researcher and trainer in several national and European training courses.