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