Ключевые слова: 3d, abc, alphabet, alphabetical, background, block, box, building, childhood, color, colorful, concept, cube, education, game, green, group, icon, image, isolated, language, learn, letter, literacy, message, object, play, preschool, reading, red, school, simple, square, student, symbol, teacher, text, toy, white, wood, word, writing, yellow,