“Playfulness in Early Childhood Education: Contributions to the development and learning of children aged 0 to 3 in Municipal Early Childhood Education Centers (CEMEI) in the municipality of Alegre, State of Espírito Santo (ES), Brazil” (2026) Research, Society and Development, 15(4), p. e8215450984. doi:10.33448/rsd-v15i4.50984.