Abstract : The low of symbolic thinking ability is the problem of this research, especially for children aged 5-6 years. The aim of this research is to determine the effect of Treasure Searching Game Againts the Symbolic Thinking Ability of Children Aged 5-6 Years in Putri Dewi Preschool at Tampan Distric of Pekanbaru City. The research method used is pre-experimental using one group pretest-po…