Playing and desire to play are crucial parts of human nature, especially in childhood. For the easier influence on motor skills and their upgrading over the years to come, children's development is important to stimulate this childhood period by applying different motor games. The motor skills that a child develops with elementary games are speed, strenght, endurance, gibility, coorphination, precision and balance. Children's play fills important developmental elements, and physical activity is a basic form for optimal growth and development of children and has an extraordinary impact on children's health. Children who are physically active, have better cognitive and socio-emotional features. The play of the child develops certain skills and feelings of independence, security and self-control. Throguh a game a child develops certain skills and feelings of independence and strengthens selfconfidence. The paper describes the developmental characteristics of pre-school children, their socio-emotional development and the linkage of motor development and physical activity with other developmental segments. The relationship between anthropological and motor characteristics, the relationship between physical activity and motor development, and the relation between cognitive and motor development are described. There are also described the motor and functional abilities, the elementary games and division given the impact on the motor and functional abilities given the age of children.