Move the sliders back and forth to see and hear the different ocean animals in this exciting sound book.
Each time you move one of the sliders in this book, you'll see an ocean animal and hear the noise it makes. But there's more! When you move the same slider back in the opposite direction, you'll see and hear a different animal. From snorting whales to playful dolphins, discover the world beneath the waves in this exciting journey through the sea.
