Prompt

A bright and playful illustration designed for a premium children’s floor puzzle composition, featuring a busy construction mega city in a colorful Western storybook illustration style, clean ultra-wide-angle composition with clearly separated engineering activity zones designed especially for children ages 4–7; the city includes several large construction vehicles such as excavators, bulldozers, cranes, dump trucks, cement trucks, road rollers, forklifts, and drilling machines working naturally in different construction areas including roads, bridges, tunnels, and buildings under development; each vehicle is large, easy to recognize, and visually separated to help children identify different machine types, while simple construction details such as sand piles, traffic cones, steel beams, scaffolding, and warning signs add educational realism without overcrowding the composition; bright sunlight, bold shapes, clear visual hierarchy, playful STEM-inspired atmosphere, engaging but highly readable puzzle structure, premium educational engineering puzzle artwork, no text, no watermark