Having invented the Sensory Ball many years ago, Edushape still manufacturers Sensory Balls of the highest quality. Don't be fooled by imitations. See-Me Sensory Balls feature four 4' See-Me (see through) Original Sensory Balls, each in a different color. Edushape Original Sensory Balls feature very thick skin and an inflation/deflation basketball/soccer ball pin receptacle to contour to your needs. Their ability to stimulate and sooth, combines with its development focus, including Fine & Gross Motor Skills, Hand Eye Coordination, Socialization, Tactile Sensory Development and Easy Grip design makes it perfect for a wide range of ages. You just might find yourself playing with it yourself!