Based on the results of field observations on early childhood science skills have not developed optimally. So it is necessary to apply the use of PVC (Polyvinyl Chloride) pipe sand and water table. This study aims to determine the effect of PVC (Polyvinyl Chloride) pipe sand and water table game against the early science ability of children aged 4-5 years in TK Negeri Pembina 1 Pekanbaru City. …