This research aim is to know the effect of demonstration method to the child’s leaning Concentration at 4 – 5 Years in TK Islam Jasmiina Tapung District Kampar. The population is TK Islam JasmiinaTapung District Kampar by 15 children, the sample is 15 children. The method is experiment approach is a research that searches the effect of other variable in strong controls condition. The instru…