The article is adressed to practical workers of Infants' houses who are badly in need of psychological data concerning the regularities of interaction in a group of junior children. Specificity, psychological meaning, and stages of appearance of both communicative and non-communicative behavior are presented. Particular attention is given to the role of contacts in psychological development of the inmates of Infants' houses. Some practical and methodological recommendations are given as to how an adult can organize such contacts between children, especially in their first year of life.