The aim of this paper is to represent how different games appropriate to particular age can affect the development of motor abilities in kids during different phases of pre-school period. Fast growth and development happen during the childhood and physical activity has a great impact on it. This impact can reflect positively or negatively on development so it is important to be familiar with specific characteristics of each development phase. First of all, it is important to know anatomical and physiological characteristics and motor skills of each age, and act according to that. Playing is the most important form of physical activity taken by pre-school children. Through playing, child improve its motor skills, intelectual abilities, social behaviour and develops important work and life habits. The variety of games has a bigger impact on the development. Through playing children best learn new skills, and each development phase offers different abilities and requirements that furthermore require the variety of games classification. It is very important to be familiar with motor abilites and which of them are conditioned by innateness and which could be affected during which phase, so that maximal efficiency and ultimate aim of game implementation in child's motorical development could be accomplished. In the end of this paper, examples of games that are most suitable for each part of physical education class are given, according to physiological and psychological load curves in children with different goals for child's mental and physical development including everything above mentioned.