This document titled "Spontaneous games of preschool children" is primarily aimed at presenting and explaining the concept of the game and its importance to children in preschool age. Namely, the game is the basic concept that a child has to meet since his earliest age, practically since the first months after his birth. Spontaneous play is a challenge for the child's development with the goal of individual progress and independent finding of problems. It also affects his physical and psychological development and socialization. The child expresses his / her need for play, for example, and for food as it provides a satisfying need to move and achieve a favorable emotional state. The child in the game has the opportunity to show everything he knows and what can fill him with a sense of great pleasure. Starting with the game with the parents in the months of life, up to the meeting with the kindergarten educators in the educational group, the child passes the different phases in which he develops and learns. She also acquainted her peers with whom she develops and improves the forms of common games that greatly helps her in her upbringing. In this paper, there is a complete account of games and other activities in this age of the child.