<![CDATA[This study was conducted as an effort to encourage social behavior in children aged 4 to 5 years through interactive and collaborative learning activities. Classroom instruction remains highly teacher-centered, and interactions among children during group activities have not yet developed adequately. In addition, the use of recycled materials as educational media had not been maximized, despite their potential to support social-emotional development and environmental awareness. This study aimed to develop a digital teacher’s handbook for cooperative games using recycled materials to improve prosocial behavior in early childhood. This study employed a Research and Development (R&D) methodology based on the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). Data were collected through questionnaires designed to assess the product’s validity, practicality, and effectiveness. The results showed that the material expert validation score reached 84.62%, categorized as very valid, while the media expert validation score reached 80%, categorized as valid. The practicality assessment indicated that the digital teacher’s handbook was highly practical and easy to use in classroom learning activities. Furthermore, limited implementation results showed improvements in children’s prosocial behavior indicators, including cooperation, sharing, and helping peers during cooperative play activities. Thus, the digital teacher’s guide developed here is suitable for use as teaching material to encourage social behavior in young children through the use of recycled materials.]]>
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