PENGEMBANGAN MEDIA PERMAINAN KOTAK DAN KARTU MISTERIUS (KOKAMI) PADA MATERI TEKANAN UNTUK SMP KELAS VIII

This study aims to develop instructional media in the form ofmysterious card boxes (KOKAMI) game with subject material of Pressure for grade VIII students. The type of this research is Research Development using Research and Development / R&D method. The model is the procedural model, a descriptive model that shows the steps that have to be followed to produce a product in the form of instructional media. The procedures of this research are: (1) analyzing potential and problems, (2) early design media, (3) collecting data, (4) making media design, (5) making media, (6) validating media and subject matter experts, (7) doing small groups trial, and (8) doing large groups trial. The data were obtained through interviews and questionnaires. The data analysis technique used descriptive qualitative analysis. The result of instructional media development was the mysterious card boxes (KOKAMI) game with the following characteristics: (1) front cover that contain the title of the media, (2) the inner parts that contain 16 pockets card containing message cards, (3) message cards consist of 13 material cards, 10 example problem cards, 20 exercises cards, and 8 observation and practicum cards, (4) back cover containing crossword puzzles as evaluation. Validation of material gave an assessment average of 88% and the media validation gave an assessment average of 93%. While, small groups of students gave an assessment average of 84.33% and large groups of students gave an assessment average of 83.96%. Based on the analysis of the data in this study, it can be concluded that the result of developing KOKAMI game of media gained very good criteria in terms of materials and media aspects. Keywords: KOKAMI, instructional media, game, car