The Centre for Life-Span Development (CLSD) of the Faculty of Psychology at Universitas Gadjah Mada (UGM) organised a KKN Warming Up program in the form of training on socio-emotional stimulation and early childhood literacy on Saturday (16/5). This activity is part of the preparation for students participating in the KKN-PPM UGM program. CLSD itself is a research and community service centre within the Faculty of Psychology UGM that focuses on human development across the lifespan.