Six times life-size with five detachable parts including the upper hemisphere, the iris/cornea unit, the Lucite Lens that magnifies and inverts images, the transparent vitreous body, and the retina. The eyeball disassembles and reassembles with ease, so students can effectively learn through hands-on activity. A 2-page study guide highlighting its 19 principal features is included. Overall dimensions: 6x6x6 inches (15x15x15 cm) overall.