Ключевые слова: activity, alternative, background, brain, child, childhood, closeup, cognitive, color, concept, design, develop, development, didactic, education, educational, explore, fine, fun, game, geometric, geometrical, house, infant, learn, learning, leisure, material, montessori, motor, nobody, object, objects, other, resource, sensorial, sensory, set, shape, shelves, skills, stereognostic, stimulate, tactile, toddler, touch, toy, toys, wooden,