The present investigation is an experimental level dealing with boys and girls from the "Ana Sofia Guillena Arana" 288 kindergarten Rioja city - San Martin Region. The general goal of investigation was to propouse apply the Strategy Happy Faces to develop the significative learning with kids four years old. Playing is the base of intensive it is a most in a young child life that will better develop his future. The activities were based and young child early life and theory was influence based in Piaget, Vigotsky, and Ausubel, the reason for this it's because this theory considers playing an important part of a young child life. The Sample was made of 52 kids; of wich 26 were from rabbits section (experimental group) and 26 from chicks section (controul group) previously a pre test was conducted. To obtain relevant resoults. The lucidia Strategy was apply on the experimental group. Later ...