2-3 years, bed, bedroom, blond hair, blue eyes, boys, caucasian ethnicity, childhood, color image, communication, curiosity, dark, darkroom, domestic room, gray eyes, headshot, horizontal, indoors, leisure activity, lifestyles, lying, lying on back, mobile phone, one person, photography, portable information device, preschool age, selective focus, some under 18, technology, using phone, wireless technology, light - natural phenomenon