active activities adventure adventurous care children children’s-playground climbing community designed enjoying enjoyment equipment families fun kids leisure move movement moving parents park parks planned play play-area playground playing prepared recreation recreational safety sand sandpits shade shaded shadows sheltered slides suburban sunlight sunshine supervise supervising supervision swings trees variety adults children’s-play-area colorful colourful grass greenery lawns light path public-space sandpit sandy seating shady slope sloping color colored coloring colors colour coloured colouring colours leisure-area multiple-activities opportunities parental-supervision play-equipment playcenter playcentre safe-play shelter toys under-cover youngsters