Researchers and clinicians from many disciplines are interested in learning more about the effects of self-esteem. Self-esteem affects motivation, functional behavior, and life satisfaction, and it is associated with well-being throughout life, significantly. What individuals choose to do and the way they do it in part may depend on their self-esteem and it can also fulfill the aims of mental health. This paper presents an investigation to determine the effect of play on children’s self-esteem and surveys appropriate interventions in this area. This study was semi experimental and the sample was 3rd grade elementary students who were randomly assigned into control (n=15) and experimental (n=15) groups. The instrument was Rosenberg self-esteem scale [Rosenberg, M. (1965). Rosenberg self-esteem scale (RSE). Acceptance and Commitment Therapy. Measures Package, 61.]. Independent variable was 12 group sessions of self-esteem games executed among experimental group. Data was analyzed with univariate analysis of covariance. Results showed that self-esteem games in ? ? 0.05 were affected on self-esteem of children. Self-esteem game can be effective intervention for children self-esteem that with them control of factors such as time and children interactions with parent and teachers in future investigations could lead to greater confidence in its effectiveness discussed.