Sensory playground units, namely, tactile, sound-making and acoustic playground units comprised of wind pipes, wind pumps, sound cushions, sound tubes, musical path in the nature of rubber belt with bells, sound rollers, bell tower, sea roarer in the nature of a moveable stainless steel platform containing sound-making balls, wooden and concrete sound wave phones, parabolic sound wave reflectors, dance chimes, stainless steel sound disc, rotating stainless steel bodies, rotating mirror rotund...