Young Boy with Idea in Classroom

young blond preschool boy standing in front of a green classroom chalkboard, raising one arm high with index finger pointing upward as if having an idea, surprised open-mouthed expression, wearing a gray sleeveless sweater vest over a light plaid button-up shirt, white chalk drawing of a glowing light bulb above his raised finger with simple radiating lines, chalk smudges and erased marks on the board, waist-up portrait, centered slightly left, playful educational concept, realistic stock photography style, soft even indoor classroom lighting, natural skin tones, shallow to moderate depth of field, clean simple background, subtle chalk dust texture, cheerful and curious mood