Main Characters (Kids) Leo (Boy) Hairstyle: Short curly brown hair Face: Tan skin, big round eyes, joyful smile Top & Bottom Attire: Red t-shirt with a yellow star, denim shorts Footwear: White sneakers Nose: Small round Style: Cartoon, vibrant colors, animated expressions Maya (Girl) Hairstyle: Two high pigtails, black hair with pink ribbons Face: Brown skin, round eyes, cheerful expression Top & Bottom Attire: Yellow dress with white polka dots Footwear: Purple shoes Nose: Button nose Style: Cute cartoon with bright features Ava (Girl) Hairstyle: Blonde hair in two space buns Face: Fair skin, blue eyes, light freckles Top & Bottom Attire: Rainbow-striped shirt, green leggings Footwear: Blue sandals Nose: Small upturned nose Style: Expressive, colorful cartoon Noah (Boy) Hairstyle: Straight black hair, side-parted Face: Light skin, wears round glasses, curious look Top & Bottom Attire: Blue shirt, orange shorts Footwear: Red sneakers Nose: Slightly pointed Style: Smart animated character with glasses Rainbow Train Design (All Scenes) Engine (Front Car): Light blue balloon-like body, golden star on front, smiling cartoon face, rainbow smoke from chimney Train Cars: Balloon-style, one car per color (Red, Orange, Yellow, Green, Blue, Purple, Pink) Car Shape: Rounded rectangular balloon bodies with puffy dome-shaped roofs and big cute eyes Wheels: Round balloon-style soft wheels in pastel grey Style: Fantasy cartoon with a glossy shine, glowing outline, and magical vibes Scene 2: “Chugga chugga down the track” Background: Winding rainbow track with balloon trees on either side Action: Train moves forward; Leo leans out waving Characters: Leo in red car, Maya and Ava in orange and yellow cars Train: All cars bounce gently, puffs of rainbow clouds trailing Style: Animated with dynamic motion effects