This thesis discusses the impact of kinesiological activities of any form on the overall development of man. Kinesiological activity has proved particularly important in the early stages of man, so that most of it is devoted to the influence and importance of physical activity of children in primary education and the connection with school success. Certain facts are also presented, which prove that not engaging in a certain form of physical activity results in the development of many diseases and poorer physical development. Also, the aim of this thesis was to investigate how and in what way children complete their free time, their interests in choosing extracurricular activities and to examine whether there are differences in the amount and choice of kinesiological activities of children in urban and rural areas. The paper will explain the basic concepts of kinesiological activity and free time and present previous research related to the amount of kinesiological activity and leisure time. The paper also presents its own research in which participated fourth grade students from two primary schools. The survey was conducted in the form of a questionnaire in which students answered basic questions related to the quantity, shape and general attitude towards engaging in some physical activity in school, but also outside it. The results showed that there is a positive correlation between the grade point average at the end of 3rd grade and playing sports.