National Geographic Dino Fossil Dig KitNational Geographic Dino Fossil Dig Kit The National Geographic Dino Fossil Dig Kit is a thrilling hands on adventure! Your child will experience what it's like to be a real paleontologist as they excavate a T. rex tooth replica from our new, larger dig brick. This T. rex tooth is a very special item because it was molded from a real T. rex tooth fossil. This gives your child the chance to see, feel, and treasure an artifact from one of the most