A vibrant cartoon with colours and smooth animation. Create a cute, colorful 3D animated nursery rhyme video called "Little Bunny's Rainbow Day". Scene 1 - Morning: A cute little bunny sleeps in a colorful cozy bedroom. Warm sunlight enters through the window. The bunny wakes up, stretches, smiles, and happily jumps out of bed. Scene 2 - Garden: The bunny runs into a beautiful garden filled with colorful flowers and butterflies. The bunny dances happily while butterflies fly around. Scene 3 - Little Duck: The bunny meets a cute yellow baby duck near a sparkling pond. They play together, splash water, and make tiny bubbles. Scene 4 - Rain: Gentle rain suddenly begins. The bunny and duck stand under a bright colorful umbrella and happily jump over tiny puddles. Scene 5 - Rainbow: The rain stops and a huge beautiful rainbow appears in the sky. The bunny and duck look up with amazed, happy faces while the flowers sparkle. Scene 6 - Animal Dance: A cute little bear, kitten, and baby bird join them. All the animals dance together in the colorful garden, clapping and stomping their feet. Scene 7 - Goodbye: The sun sets and the sky turns pink and purple. The bunny says goodbye to all its animal friends and walks home as stars begin appearing. Scene 8 - Goodnight: The little bunny gets cozy in bed under a soft blanket. The moon shines through the window and stars twinkle outside. The bunny closes its eyes and smiles. Style: Bright colorful 3D cartoon animation, cute expressive characters, smooth movements, cheerful nursery rhyme music, magical atmosphere, child-friendly, high-quality animation, consistent bunny and animal characters throughout the entire video.