This study aims to (1) to determine the level of prosocial behavior in children aged 4-5 years in Fatimah Islamic Kindergarten, Tampan District, Pekanbaru City before the application of relay games (2) To determine the level of prosocial behavior in children aged 4-5 years in kindergarten Islam Faah Subdistrict of Tampan Kota Pekanbaru after the application of relay games (3) To determine the m…