Grows with your baby: The baby play gym is designed with 5 developmental zones (focused learning, touch, color recognition, auditory, hide-and-seek) to support vision, hearing, sensory development, hand-eye coordination, and cognitive development from newborn to toddler. Comprehensive early development: The activity gym includes 5 detachable toys: a high-contrast Montessori ball, self-discovery mirror, rainbow rattle, star toy, and cognitive cards to help develop motor and sensory skills, plus an expertly created, scenario-based activity guide.