A variety of materials, bright colors stimulate baby's tactile and visual development. Built-in pull the damper, and cattle calls, to meet the baby grasping, holding, kneading, pinching, pulling, biting instinct needs, and promote the development of the baby holding capacity, improve the sensitivity to sound. Soft touch, bring your baby comfort and security. Gently pull, along with the soft sounds of cattle, to attract baby's attention. To test vision and hearing early infancy.