Each of these fossils are millions of years old! Learn about each specimen with this incredible earth science collection. Fossils are the remains of prehistoric creatures and take millions of years to form. They are a record of the past and a fascinating subject to study. The superior quality fossils that you'll find in this ultimate kit will become the prized specimens in any young palaeontologists collection. This kit contains 15 total fossils, many of which are rare and not available in any other fossil kit on the market. Highlights include: an iridescent ammonite from Madagascar (they look like rainbow-colored holograms), trilobites from Morocco, sliced and polished ammonite (so you can see what's inside these fossils), Genuine Dinosaur Tooth from a Mosasaur (this giant predator was even bigger than a T-rex), and a polished orthoceras (ocean fossil).This kit also includes a 16-page fossil identification guide with tons of cool science facts about each of the specimens in this kit.This exploration kit also includes an activity booklet with 10 fun puzzles, games, mazes, and challenges to solve!