Anotation: This thesis deals with leisure activities of children of preschool age and children of school age and it is trying to discover their favorite activities and interests, regularly visited leisure and quantity of it. The theoretical part deals with terms as free time, family, child of preschool age and child of school age, education in free time. It also deals with overloaded children and with problems associated with overloading. The aim of this thesis is the evaluation and analysis how children of preschool age and children of school age spending their free time. Through research questions we were trying to find out how children spend their free time and how many aktivities do they have in their free time. The empirical part contains the analysis of used methods , research investigation in the kindergarten and primary school in Martin. It also includes treatment of results - Its processed in tables, graphs and written comments.