Ключевые слова: brain, child, child development, child playing, child rearing, children, class, classroom, colourful, desk, eco toys, ecology, educate, education, game, healthy environment, helping, his, hobby, indoor, kid, learning, logic games, logical, materials, math, mathematics, memory, method, mindset, montessori classroom, nursery, picture, play, playing, preschool, put in place, puzzle, repetition, school, schooling, student, teach, teaching, thinking, toddler, toy, toys for memory development, training, wooden toys,