active activities adults adventure blue children children’s-playground climbing colorful colourful community equipment families fun kids leisure leisure-area parents play playground playground-equipment playing ramp red safe-play safety sand sandpits shade shaded shelter sheltered slides supervise tunnel under-cover youngsters black & white cables care enjoying enjoyment greenery greyscale lawns lines metal monochrome park parks patterns play-area recreation recreational rope ropes suburban suspended suspension swing swings trees color colored coloring colors colour coloured colouring colours multiple-activities opportunities parental-supervision play-equipment playcenter playcentre supervision toys variety