This study aims to determine the effect of educational block puzzle games on the ability to recognize geometric shapes of children aged 5-6 years in RA Al-Hidayah, Pekanbaru city. The population in this study were children aged 5-6 years in RA Al-Hidayah, Pekanbaru City, amounting to 20 people, the sample of this study was 20 people. The method used is the One Group Pre-test-Post-test design t…