Ключевые слова: background, basic, child, children, concept, daycare, educate, education, elementary, for, green, item, keyword, kids, kindergarten, language, learn, letters, literacy, meaning, notion, nursery, object, paper, picture, plank, play, preschool, pupil, school, show, skill, spell, spelling, symbol, table, teach, teaching, text, thin, toddler, visualise, visualize, vocabulary, white, wood, wooden, word, worn,