Dig A Real Shark Tooth T-Rex They are from the Upper

They are from the Upper Cambrian

including at least twenty partial to complete skulls

Unlike most of the other reptiles and amphibians of the time

of which it seems to have been a southern offshoot

: 100% airlume combed and ringspun cotton (fiber content may vary for different colors)

Dig A Real Shark Tooth T-Rex They are from the UpperThis 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