Play is an important part of children´s everyday life, it is through play children develop. Play occurs a lot in kindergarten and in this study, the aim is to examine how play activities play is used in preschool teaching and the role of the teacher´s in the play. Video recordings of play activities done and qualitative methods (conversation analysis) has been used to analyze the video recordings. The results of this study show that play are widely used as a pedagogical tool in preschool. It is through play children develop. When teachers are present in children's play, they contribute to the activity and encourage children to play. The teachers know that they have responsibility for children's development and ensure that children get the help they need. Role play is central to play in both free play and in the teacher-driven games.