Abstract: The research aims to determine the effect on the ability of word games clothesline recognize letters in children aged 4-5 years in TK Islam Integrated Insan Utama 2 Subdistrict of Tampan Pekanbaru city. The subjects in this study is children aged 4-5 years who totaled 14 people. The method used pre-experimental design with one group pretest posttest design that experiments conducted o…