Ключевые слова: 3d printing, able, african american, black, boy, building, casual clothing, child, childhood, children, class, classroom, closeup, code, coding, computer, creativity, design, development, education, engineering, equipment, group, group of people, internet, kid, laptop, learning, lesson, multiethnic, programming, robot, robotics, school, science, sitting, stem, student, studying, technology, teen, teenager, tween, typing, unrecognizable person, working,