These Fossil Boxes are crammed full of interesting specimens such as brachiopods, shark teeth, trilobites, Ammonite and crinoids. They are a great introduction to the world of fossils for the budding collector. The back of the box includes an identification chart. Packed 36 boxes per display. Fossils are found all over the world and the fossil record helps geologists determine the age of rock layers. See also our Fossil Collection for a larger collection (15) of fossil types.