Ключевые слова: abc, child, class, concentration, creativity, development, education, education concept, educational, elementary, enjoyment, fun, homework, intelligence, language, learning, letter, lifestyles, literacy, math, person, placement, playful, playing, preschool, primary, puzzles, reading, school, sitting, skill, smart, smiling, spelling, student, study, text, toddler, white, word, writing,