This research aimed to increasing ability to know about the letter through Lotto Letter games for children age 4-5 years in TK Tunas Harapan Sorek Satu of Pangkalan Kuras Subdistrict of Pelalawan Regency. The subject of this research are 12 children in group A of TK Tunas Harapan Sorek Satu, there are 5 son and 7daughter. The method of this research is Classroom Action Research conducted as…