So, first of all, remember that fossils greatly resemble chess regarding their functionality. In this guide, you will learn here how to use Fossils on Coral Island.
You will need to open up your map and fast-travel to Ling’s Lab.
Enter the lab and she will process the fossils for you. Just go and plump them for 20 dollars.
You will have your fossils changed into small bones. Now, you have to collect these small bones and take them to the museum for its upgradation. Move a couple of bones in the Donation center and you are done.