- VTech Interactive Toy Hippopotamus model 80-574004, recommended for babies from 6 to 36 months - Stimulates early learning with colorful buttons that play phrases, sounds, and melodies - Heart-shaped light-up button activates songs and encourages children to talk and sing - Varied surfaces, soft ears, and flexible buttons to train the sense of touch - Includes strap to attach to crib or stroller, making it easy to transport and use daily - Child-safe design with protected battery compartment and automatic shut-off - Promotes sensory development, imagination, and role play - Operates with 2 AAA demonstration batteries included