Ключевые слова: alternative, arrangement, background, blocks, childhood, children, childs, color, colored, colorful, development, developmental, didactic, different, education, educational, elementary, elements, equipment, exploration, face, geometric, group of objects, hands, height, homeschool, instructional, kids, learning, manipulative, manipulatives, material, montessori, motoric, multicolored, objects, pedagogics, preschool, scale, school, sensory, shapes, teaching, tools, toy, variation, walldorf, wooden,