Ключевые слова: accumulate, advice, alphabet, anonymous, attention, attention required, block, building block, business, capital letters, caution, character, checkpoint, copy space, emphasis, english, english letters, english word, hand, important, key points, letter blocks, main point, margin, material, no face, one point, point activity, problem, roman letters, secret, simple, stacking blocks, summary, white, white background, wooden, wooden block, word,