- Sensory stimulation: Colorful animal rattle toy trains visual attention and hearing. Varied surface textures promote tactile exploration when grasping and exploring. - Calming sound experience: Built-in slow sound system provides layered acoustic stimulation, helping babies recognize tone variations for natural sensory development. Gentle sound steps support understanding of different noises. - Tactile activation: Textured surfaces specifically develop the baby's sense of touch, inviting exploration and strengthening hand muscles through repeated grasping. - Playful training: Ring-shaped design is easy to grip, aiding wrist control and stimulating muscle coordination during play. - Practical use scenarios: - During floor playtime, baby explores textures and sounds to support sensory development. - As part of a calming pre-nap routine, using the layered sounds to help recognize tone variations. - On the go, in stroller or car rides, providing engaging tactile and auditory stimulation during travel.