Three happy children, holding magic wands and books, sitting together on a gorgeous rainbow. Scene: Clear sky with white clouds, a dreamy and childlike cloud scene, no text. Style: Soft and healing 3D cartoon illustration, innocent, dreamy and vibrant style. Color scheme: Warm, bright and fresh macaron color palette, soft, bright, warm and healing. Lighting: Clear and soft natural light, overall transparent and airy with no harsh shadows. Composition: Children are located in the center of the rainbow, stars and books are dotted around, the画面饱满和谐. Purpose: Summer camp activity promotion, children's education brand poster, children's public welfare visual design.