Conversely, when a built environment is dysfunctional for children, it affects everyone's quality of life. Looking at specific needs of children and their caretakers for every age helps to determine both generic and specific solutions for babies, toddlers, young children, adolescents and youth. The scales reflect the social ecological model that children's development specialists use to build strategies to ensure children's rights. The access to appropriate urban services needs to be adjusted accordingly to a childs age, needs and the daily patterns of its caretaker.