But they do not have idea of how much the child is important to play; to run, to jump. To play is so important for the child as to work it is for the adult. It is what it becomes it active, creative, and it of the chance to become related with the others; also it makes it happy e, therefore, more inclined to be kind, to love the next one, to be solidary. Playing, the child develops potentialities; it compares, analyzes, nominates, measures, associates, calculates, classifies, composes, appraises, creates, deduces etc. To play in group prevents that the child if discourages, exactly when not yet knows to play together. It learns to wait its time and to interact more of organized form, respecting rules and fulfilling norms. With the groups it learns that, if not to find a form efficient to cooperate ones with the others, we will be all wronged ones. The victory depends on all.

It is learned to gain it and to lose. The playful activity produces enthusiasm. The child is glad, wins obstacles, defies its limits, expends energy, develops the motor coordination and the logical reasoning, acquiring more confidence in itself and improving its knowledge. Since the birth, the children are dived in a social context. The adults who coexist them, when its games partners of and trick are changedded into, many times do not give account of the importance of each gesture, each word, each movement. Some of these adults sing, transmit knowledge and teach tricks. Others think that the children do not understand nothing and that she is only necessary to take care of so that they are not sick, do not pass hunger, cold or headquarters. The trick is a privileged form of learning. In the measure where they go growing, the children bring for its tricks what they see, listen, observe and try.