Made of Fibre Glass. Various details shown include :-
Brain, Eye, Tongue, Hyoid Bone, Trachea, Superior Vena Cava, Aorta, Heart, Right Lung, Left Lung, Duodenum, Pancreas, Spleen, Kidney, Adrenal Gland, Liver, Gall Bladder, Stomach, Large Intestines, Small Intestines, Urethra, Penis, Symphysis Pubic, Urinary Bladder & Testis. Mounted on a wooden board.