This research aims to develop Tri N-based Pop Up Book media in learning science material on plant body parts for grade IV elementary school students. The research uses the Research and Development (R&D) method with the ADDIE model which includes the Analysis, Design, Development, Implementation, and Evaluation stages. The subject of the study was a fourth grade student of SD Negeri Kwagon Sleman. Data was collected through observation, interviews, questionnaires, and documentation, then analyzed descriptively, quantitatively, and qualitatively. The results of the study showed that the media developed met the criteria of being very feasible based on the validation of material experts (100%) and media experts (81.25%). The teacher's response obtained a score of 94% and the student's response was 96.73% with the very good category. Thus, Tri N-based Pop Up Book media is suitable to be used as an alternative to science learning media to support more concrete, interesting, and in accordance with the characteristics of elementary school students.
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