How to Make a Paper Sarcophagus for a School Project In ancient Egypt, mummies were kept in a stone coffin called a sarcophagus. Children who study ancient Egypt may be required to make their own sarcophagus out of card stock. Completing this project Design a Sarcophagus - Activity Village Design a Sarcophagus. In Ancient Egypt, a sarcophagus was usually the external layer of protection for a royal mummy, with several layers of similar shaped coffins nested within. Some of the layers were often highly decorative, and even made of gold or silver. Sarcophagus of Pharaoh Merenptah.