A set of 5 soft balls designed for sensory integration and fun. Due to the different shapes, sizes and textures, each component of the kit provides a different sensory experience. Clear colors are eye-catching. A set of Tullo sensory balls will help, among others in reducing muscle tension, correcting posture defects, or stimulating sensory receptors. Take care of your child's development with a BPA, phthalate and heavy metal free Tullo sensory ball set.