This baby penguin toy helps train the babies' eye-hand coordination, develop their hand power, improve their sensory ability of touch, visual and auditory senses. It was built-in with a melodious bell, it will make euphonic clanging sounds when baby pushes and shakes it. It was made of harmless ABS plastic material with great durability, anti-collision, corrosion-resistant, and wear-resistant. The age range of this product is between 3 months to 2 years old