... level area, inflate the top ring and fill with water. The pool walls rise with the water Usage:For all ages, Used ... swimming pools,swimming pool covers,indoor swimming pool,above ground swimming pool,children's boat, Adult's swan boat, inflatable advrtising, carousel, inflatable slide, inflatable ... 10 minutes to inflate (Stay inflated all day).An event with 5 water balls = 30 mins set-up, 10 minutes ...