Ключевые слова: abc, activity, alphabet, background, block, blocks, bricks, communication, concept, creativity, cube, cubes, educate, education, educational, elementary, english, game, home, idea, knowledge, language, learn, leisure, letter, letters, licence, license, nobody, object, objects, orthography, patent, plastic, play, playful, playground, read, reading, school, spell, spelling, table, text, toy, warrant, word, writing,