Ключевые слова: 123, abc, academic, apple, black, book, boy, caucasian, cheerful, child, childhood, computer graphic, cute, dark, development, digital, digitally generated, doodle, early learning, education, elementary, elementary school, female, girl, globe, hand drawn, happy, holding, icon, knowledge, laptop, learn, learning, light bulb, magnifying glass, male, mixedrace, mortar board, numeracy, paintbrush, pen, preschool, pupil, reading, school, school bus, schoolchild, smiling, surface, wall,