Building a car in Lego, boy, 10yo, creative, excited face, messy brown hair, bright blue shirt, casual jeans, sneakers, colorful Lego bricks scattered around, large base plate, wheels, headlights, grille, hood, doors, roof, trunk, steering wheel, seats, dashboard, shiny metallic paint job, detailed engine, suspension system, road texture, city street, sunny day, afternoon light, shallow depth of field, vibrant colors, playful composition.