A vibrant cartoon with colours and smooth animation. Create a colorful, exciting, funny 3D cartoon adventure for children ages 6-10. TITLE: Leo and the Secret of the Rainbow Tree Create a complete children's cartoon story with a clear beginning, exciting adventure, mystery, funny moments, emotional moments, and a happy ending. MAIN CHARACTER: Leo is a curious, brave and kind 9-year-old boy. He has a friendly face, big expressive eyes, brown hair, a yellow hoodie, blue shorts and a small red backpack. Keep Leo's appearance consistent throughout the entire story. STORY: One beautiful morning, Leo discovers a tiny glowing rainbow seed in his backyard. Suddenly, the seed whispers: "Find me before sunset!" Leo is amazed. He puts the seed in his backpack and follows a trail of tiny glowing footprints into a magical forest. Along the way, Leo meets three funny friends: Pip - a tiny energetic squirrel who loves collecting shiny objects. Bubbles - a cheerful blue frog who is convinced that he is the greatest detective in the world. Professor Hoot - a wise old owl who sometimes forgets what he was saying. The friends discover a giant tree whose leaves are completely gray. The animals of the forest explain that the Rainbow Tree has lost its magical rainbow crystal, and without it, the forest is slowly losing its colors. Leo decides to help. The friends follow three mysterious clues: a glowing butterfly, a river that flows upward, and a secret door hidden inside a giant mushroom. Behind the door they discover a magical cave. Inside the cave lives Spark, a tiny glowing creature. Spark has the rainbow crystal. At first Leo thinks Spark stole it. But then he discovers the truth: Spark took the crystal because his little sister was sick and the crystal was the only thing that could make her feel warm and happy. Leo does not become angry. Instead, he thinks of a clever solution. Leo and his friends use the rainbow seed to grow a tiny Rainbow Flower. The flower creates enough magical energy to help Spark's sister. Spark happily returns the rainbow crystal. The friends take the crystal back to the Rainbow Tree. When Leo places the crystal into the tree, something amazing happens. A giant wave of rainbow light travels through the entire forest. The gray leaves become bright green. The flowers become colorful. The river sparkles. The animals regain their colors. The whole forest celebrates. The Rainbow Tree thanks Leo and gives him a magical rainbow seed. The tree tells him: "Whenever you help someone, a little more color comes into the world." Leo smiles and says: "Then I'll keep spreading color!" Leo and his friends walk home as a beautiful rainbow appears across the sky. FINAL SCENE: Leo looks at the rainbow and says: "I wonder where the next adventure will take us..." Show the words: "THE END... OR IS IT? " STYLE: Beautiful colorful 3D children's cartoon. Bright magical environments. Cute expressive characters. Funny facial expressions. Smooth animation. Exciting adventure scenes. Warm emotional moments. Magical glowing effects. Cinematic camera movements. High-quality children's animation. Keep all characters visually consistent. AUDIO: Friendly child narrator. Simple English suitable for children. Cheerful background music. Funny sound effects. Magical sound effects. Different friendly voices for the characters. IMPORTANT: No violence. No weapons. No horror. No scary monsters. Keep everything safe, positive, funny and suitable for children. FORMAT: 16:9 landscape YouTube video. BRANDING: Show "SCIVEXA" briefly at the beginning and end.