Enlarged approximatlely 4,000 times, this realistic model offers the view as seen through an electron microscope. Color-coded for easy identification, a portion of the wall is removed to show the plasma membrane, vacuoles, plastids, mitochondria and the nucleus. Mounted on a strudy base. Includes comprehensive key card. Size 9 3⁄4W x 6H x 11 3⁄4D".