The aim of this study was to know the effect of tree games count towards the introduction of the concept of number of children aged 5-6 years in preschool Sabrina Kid's.2 Senapelan District Pekanbaru .. The population in this study were children aged 5-6 years which consists of class A amounted to 15 people and consists of 7 men and 8 women, the sampling technique used is saturated samples. Dat…