The aim of this Theses was to investigate the effect of play therapy on children whose parents are either divorced or divorcing. This study is qualitative, adopting a casuistic approach. In the theoretical part, the stages of divorce, child's adaptation to divorce and individual non- directive play therapy are described. The practical part consists of five case studies showing practical application of play therapy. The analysis is based on ten cases (children aged three to nine years, four boys and six girls). Data were analyzed using open, axial and selective coding. Play therapy for children in divorce situations is an appropriate therapy tool for children whose both parents agree with the treatment and the child meets the indications. Children respond positively to play therapy, they express the family conflict. The results of the study open possibility for further research in the field of non-directive play therapy. Key words: play therapy, non-directive individual play therapy, divorce, adaptation to divorce