The research aims are; 1) improving children’s physical motoric development in Pertiwi 1, Magelang regency; 2) making cooperation with other friends; 3) improving the patience and having social feeling to others. The aim of research is caused by the children’s physical motoric that must be cared and must be improved. Besides, the children’s physical motoric in Pertiwi 1 Kindergarten in cooperation using visual aids does not run well. For that reason, the Classroom Action research must be implemented.
The research is implemented through participative and collaborative of the teacher of A2 in Pertiwi 1 Kindergarten, Bandongan Sub-district, Magelang Regency as the researcher who is implementing the upgrading of learning using Bool ball visual aids and helped by the peers as the observer in the learning implementation. The research is held on semester II academic year of 2015/2016 on January to April 2016. The research subjects are students of group A Pertiwi 1 Kindergarten toward 7 female and 12 male of 19 students. The research model consist of several cycles and in every cycle consists of stages; 1) planning, 2) action, 3) Observation, and 4) Reflection.
The research outcomes show that after implementing the research in cycle I, the children physical motoric in games using boom ball visual aids in cooperation are facing improvement in completeness criteria of 8 children (42%) from 19 students. In cycle II become 18 of 19 students (94,74%). Thus, it can be concluded that visual aids are able to improve children motoric ability in cooperation.
Key words: cooperation, children motoric improvement, and visual aids.