Sensory Balls Mega PackTwo fun sizes for twice the play potential. When children hold the ball, they appreciate the nubbly texture. When they squeeze the ball, they can feel the rubber stretch and contract beneath their fingertips. By softly rolling the textured balls on a child's back or feet you will heighten their sensory awareness. Teething babies love to chew on them. This set includes: 2 7 balls and 2 4 balls in 4 primary colors (yellow, blue, green, and red) to