In six modules, children in grades 3 and 4 receive the foundation for a safe handling of familiar digital media in the workbook. Age-appropriate, the workbook offline imparts essential skills on topics such as researching, presenting, and (digital) communication. The knowledge acquired can be applied and reinforced by the children in a free online offering tailored to the workbook. The teacher's material provides an overview of the module contents, includes solution hints for the tasks, as well as didactic notes and further suggestions for the classroom. The guide for teachers and parents contains detailed information and advice on age-appropriate use of digital media by children.