This study focused on the use of the media kit in learning mathematic at junior High School in Pontianak City. The kinds of kit considered in usefulness, preparation, take care of activity and the storage kit media. The result of study showed that use has been carried out by teachers at school but the utility was not optimal. The teacher has prepared the times, the number of media, study materials and the safety but less of focus on students characteristic and the teachers ability. The implementation is focus only on basic competency on space shape and flat space shape but another competency was not use the available of kit. The teacher competence is more increase in usefulness of kit. The storage of kit is get more pay attention in order the kit storage is more tidy and take care well. The support of principal and advisor need to be done to give motivation to the teacher in utility mathematic of kit media at school