Ключевые слова: abc, alphabet, background, block, blocks, blue, board, business, child, childhood, color, colored, colorful, concept, cube, design, education, elementary, english, green, kid, knowledge, language, learn, letter, letters, multicolor, nobody, object, office, play, preschool, pyramid, school, sign, square, symbol, table, text, tools, toy, wood, wooden, word, writing,