Magical 3D animated children's nursery rhyme

Description

Create a magical 15-second 3D animated children's nursery rhyme. Show a beautiful smiling rainbow appearing in the sky after rain. Cute fluffy clouds, smiling sun, colourful stars and flowers dance together. Display rainbow colours one by one. Use vibrant visuals, smooth animation, happy child-friendly singing and magical nursery rhyme music. Animated cartoon with smooth animation, in exactly the style described above; when no style is described, a vibrant, colourful cartoon.

Made with the AI Cartoon Maker from the prompt above.