Playful and fun for little hands! Let your little one explore and develop senses with this playful Natruba sensory ball set. The set comes as a set of two different sized balls with the bell in each playfully stimulating the sense of hearing. The little size ball is easy to grip for even the tiniest little hands. The soft natural rubber and the playful ocean inspired pattern on the balls encourage sensory play and develo[e senses in a conforting, stylish, and playful way.