Children affected by cancer experience a period of psychological disruption and a sea of fears and anxieties. The stress caused by the disfigurement of the physical image, the inability to attend school regularly and the withdrawal from social interaction with friends and family can be minimized when the child receives adequate attention. Playrooms act on these limitations, as the child receives physical, psychological, physiological and social attention based on playful therapeutic resources. Playfulness then becomes an expression for their dramas, allowing them to rework their feelings and accept their current reality more naturally. This book presents the views of the carers of children with cancer on the use of the toy library as a therapeutic resource in pediatric care. The authors invite the reader to discover how the playroom provides a better quality of life for children. This book shows how the playroom, through games and toys, harmonizes the process of giving continuity to the child’s cognitive development and acts on the patient’s potential, encouraging them to be creative and interact with others.