Park playground childhood is the foundation stage of life, from fetal

 newborn, infants, preschoolers to teenagers are in a process of continuous growth and development of the. Its dynamic Park playground characteristics different from adults, there are also great differences in ages. Need to realistically consider Outdoor playground equipments the developmental level of the child's mental and physical development of children's play to buy the right equipment.from birth to 1 year old baby on physiological characteristics of this period of growth and out storage shed development of faster, neurodevelopmental very rapidly than at any time, weak immunity, susceptibility to infectious diseases. Optional software such as filling children's play equipment, rattles, squeeze toys and other sound. 1 year old to 3 years of age for early childhood, the physiological characteristics of this period is the physical growth slower pace than in infancy, language and motor skills improved significantly, they will move, but no sense of safety and self-protection awareness, prone to accidents.