During this stage the babies show affection towards the people that surround them, it is an important period of attachment, in which, they begin to build emotional and affective ties to build their personality. They let us know who they feel safe with, and take a little longer to trust strangers; turns or moves away from a person; initiate or avoid contact with people or objects; he moves persistently to achieve what he wants; they insert thiere fingers into their mouth; they smile at thier own reflection; move thier eyes, head or hand towards the desired object and repeat an action in order to learn it and start searching for the hidden object. They cry to express a need and try to help in the process of changing diapers, dressing and feeding, they eat by handling the food; they drink from a glass and hold on to objects. The baby snuggles in the arms of the nurse or educator stares at her eyes while smiling and vocalize; and makes faces towards the person in charge. They find a physical contact with the educator, start a game interaction to communicate needs and desires. The baby responds to the sounds and gestures of an unknown adult, babbles. They laugh out loud, the face and body reflects emotion, cries when they hear another cry. They show pleasure when playing hide and seek. The baby passes an object from one hand to another, sits on its own, crawls, climbs or slides, they climb by pulling themselves with furniture around and achives to stand without support, likes to put objects in motion, likes music and sways to the beat and claps. They go from babbling to a single word to refer to a person, animal, object or action and responds to thier own name.