This study aims to determine the effect of post box games on the ability to recognize geometric shapes in children aged 5-6 years in TK Al-Ittihad, District of Rumbai Pesisir, Pekanbaru City. The population in this study were children aged 5-6 years in TK Al-Ittihad, District of Rumbai Pesisir, Pekanbaru City, amounting to 20 people, the sample of this study was 20 people. The method used is th…