This research title Enhancing Children’s Cognitive Abilites through Block Building Games at TK Aisyiyah VII Purwokerto, Purwokerto Utara Sub – district. This study aims to enhance the capabilities, skills, and creativity of children. The research methodology employed in this study was a structured process involving instructional. With their surroundings. The method ultized observation. implementation of actions, and evaluation. Based on the analysis conducted during the classroom Action Research ( CAR ), there has been an improvement. This is evidenced by the findings of the initial study, where the progres alighned with expectations for two children ( 20%) in Cycle 1 increased to four children (40%). Then , in Cycle 2< the number who showed progres as expected rose to 8 children ( 80% ).