A vibrant cartoon with colours and smooth animation. Create a complete 3-minute, high-quality 3D animated nursery rhyme video for toddlers and preschool children. TITLE: Little Shark's Ocean Adventure. ANIMATION STYLE: Bright, colorful, adorable 3D preschool animation with soft lighting, smooth movements, expressive faces, beautiful underwater environments, and cheerful cartoon characters. CHARACTERS: Bubbles, a cute blue baby shark with big sparkling eyes and a white belly; Mama Coral, a gentle pink shark; Papa Fin, a friendly teal shark; and Goldie, a tiny yellow fish. Keep all characters visually identical throughout. STORY: Show a magica