Birth - 12 months. This comprehensive kit contains a variety of learning materials that will engage infants and offer growth and development in the areas of fine motor, blocks, gross motor, cognition, music, and dramatic play. The set includes 3 miniture pastel colored baby dolls, a decorative mirror, stacking blocks, and sensory balls. A stacking tower and bird themed teethers are also included. More items included for hours of play and learning.