This study aims 1) To know the child's emotional ability before the application of Constructive Playing in TK Tiara Dumai . 2) To know the child's emotional ability after the application of Constructive Playing in TK Tiara Dumai . 3) To know the effect of constructive play to emotional ability of 4-5 years old children in TK Tiara Dumai . This type of research is experimental research. Techniqu…