Ключевые слова: activity, background, bright, carpet, child, childhood, children, closeup, cognitive, color, colorful, concentration, counting, design, development, education, educational, exercise, floor, fun, game, hobby, indoors, intelligence, kid, kindergarten, learning, leisure, logic, logical, many, math, mathematic, mathematics, montessori, motor, object, pieces, play, playing, preschool, set, skills, smart, stacking, study, toy, training, wooden,