Toby and His Old Tin Tub

Toby wants to be a sailor, but all he has for a boat is a tin tub. One day, he paddles far out to sea and is caught up in a terrible storm. But he now finds himself in the home of a Sea Giant! But this giant isn't scary. All the creatures in his kingdom are asleep and he can't discover the sound needed to wake them up. Can Toby help him?