Ключевые слова: abc, abstract, alphabet, alphabetical, background, blocks, book, challenge, characters, child, childhood, color, colorful, concept, count, cross, crossword, cubes, education, educational, game, group, icon, idea, learn, literacy, multicolored, objects, order, plastic, play, preschool, reading, school, schooling, set, sign, solution, study, studying, success, symbol, text, toy, typescript, white, word, writing,