Every child will enjoy these see through 7 inches soft nubby balls for fun and therapy. The balls come in 4 assorted see though colors which will vary with each order. With play and therapy children will appreciate the nubby texture of these balls, and will love how the rubber stretches and contracts when squeezed. Sensory balls are effective in massage stimulation. Softly rolling the textured balls on a child's back or feet heightens sensory awareness. These nubby balls are favored by teething babies who love to chew on the safe, phthalate free nubs. Baby products by Edushape will enable babies to; explore, discover, visualize, and verbalize and so much more. At Edushape we encourage you to, touch with passion, laugh with love, and bond with your baby. Most of all have fun learning together.