A vibrant cartoon with colours and smooth animation. Create a 45-60 second vertical YouTube Shorts cartoon for children ages 4-8. Channel style: colorful, cute, funny, magical, fast-paced, and visually engaging. Main character: A cute little cartoon boy named Leo, 6 years old, big expressive eyes, short brown hair, yellow hoodie, blue shorts, red sneakers. Keep Leo's appearance exactly consistent throughout the entire video. Story: Leo is playing in a colorful magical garden when he sees a tiny glowing star fall from the sky. The star is sad and can't fly back. Leo decides to help it. He carries the little star, meets friendly butterflies and flowers, climbs a small hill, and gently lifts the star back into the sky where it shines bright again. The star leaves a sparkle, shaped like a heart. Ending: Leo waves, smiles at the camera and says "See you next time!"