Play the role of a paleontologist and carefully excavate a replica of a full-sized tooth of a Tyrannosaurus Rex. The 4. 7-Inch-long tooth is a full-sized reproduction of an actual fossil. Show the T. Rex tooth to your friends, or display it on a shelf in your room. Or use it along with your dinosaur figures to re-enact prehistoric adventures! The kit includes the dinosaur tooth replica buried in a plaster block, excavation tools, and a descriptive manual.