Abstract, Learning media is very useful, especially in improving students' understanding of concepts,  strengthening their retention, and fostering their interest in learning. This study uses a descriptive qualitative approach to understand the problem of limited social studies learning media in grade 3 of SDN Sungai Miai 4 and find relevant solutions. Nusantara Kartu is an innovation in learning media designed to introduce and foster students' appreciation of the diversity of Indonesian culture. Nusantara Kartu media has a physical form like a medium-sized card, printed in color, and equipped with pictures and brief information about cultural elements in Indonesia. Nusantara Kartu media is able to overcome the problem of limited textbooks and student boredom in social studies learning. This media not only creates a fun and meaningful learning atmosphere, but also increases students' active participation and understanding of the diversity of Indonesian culture. Teachers can start trying to create similar media that suits the needs of each class.

This research seek to show how social studies teachers at SMP Negeri 3 Maumere help class VII students develop an honest, disciplined, pious, and responsible character. This study employs a qualitative methodology and uses methods including observation, interviews, and documentation to gather data. According to the study's findings, teachers play a significant impact in influencing class VII students' character development, particularly when it comes to social studies instruction. Because teachers not only instruct students in moral principles on a theoretical level, but also set an example for them, their job in forming students' character has been optimally carried out.