This hand model from 1978 created by Spence shows the range from first degree burns to third. Painful to see but someones got to show the kids. What else are you going to do put your hand on the stove? The hand has a felt bottom and is tagged and comes with the original well worn card that explains the wound range. Measures 9.5” center bottom to tip of middle finger and width of 5” at its widest point.