The methodological change caused by the
implementation of the new degrees provides a clear opportunity to improve educational practices. This paper describes a teaching tool, named returnable document, to increase student work outside the classroom, motivate the students while raising their awareness
about the importance and impact of their work. By using returnable documents teachers manage to strengthen the results of homework and the learning process in a flexible, motivating and
entertaining way. In addition, compared to more traditional learning models, student participation is encouraged.
