摘要：The aims to this research is to desain the multifungtion the ball that can fulfill the needs of basketball,volleyball and football games,The methodes are;1) neds analysis,2) Designing the initial product,3) initial product;4) Validation of expert by using experts;5) Revision of the first products is done for the improvement of expert evaluation results;6) Small scale test trials;7) Revision of the second product;8) large-scale trials;9) Revision of the final product;10) Deployment and implementation of results.Samples of small-scale trials use 36 elementary and junior high students,and for large-scale trials use 72 students of Elementary and Junior High Schools in Semarang City.The results of the final product are a multifunctional ball for basketball,volleyball and football with a size of 66 cm,made from sponge material PU (Poly Urhetane),a smooth non-slippery,weight of 270 grams,0.250-0.3 bar of air pressure and has reflections of 105- 115.Ball design describes characteristic of three ball,there are basketball,volleyball and football with bright and interesting colors.Conclusions in this study are a multifunctional ball with the correct specification as in the research results above,has a multifunction for basketball,volleyball and football for Elementary and Junior High School students,does not cause pain because they are light and proper size for Elementary and Secondary School students.
关键词：Multifunctional Ball;Physical Education Sport and Health
