Ключевые слова: activity, alternative, background, ball, boards, brain, child, childhood, closeup, cognitive, concept, design, develop, development, didactic, education, educational, explore, fine, finger, fun, game, house, infant, interhemispheric, labyrinth, labyrinths, learn, learning, leisure, material, maze, montessori, motor, nobody, object, resource, reversible, sensorial, sensory, skills, stereognostic, stimulate, tactile, toddler, touch, toy, tracing, white, wooden,