Dig A Real Shark Tooth

This Dig-A-Real Shark Tooth Kit contains an authentic 100 million year old shark tooth from the phosphate mines of Morocco. The tooth is encased in a soft matrix that can be chippped and dug away with a paleo probe to uncover a real tooth from the ancient past. Discover the thrill of discovery just like a real paleontologist. It's fun, educational and best of all you keep what you find. Each kit also contains a color post card that can be used to help identify the kind of tooth in the dig. Sharks are characterized by a cartilaginous skeleton. Sharks also include, skates, rays, and ratfishes. Cartilage is softer than bone and not usually preserved as fossils. Common shark fossils tend to be teeth, scales, and fin spines. Sharks� teeth are continuously replaced from behind, being shed from the jaw during feeding. A typical shark may have 200-300 teeth and shed up to 20,000 teeth over its lifetime. This explains why in some areas shark teeth are so common. Trace fossils from sharks in