Final answer:
The gambling dice found in graves were made from various materials such as bone, ivory, wood, and even precious metals like gold and silver.
Step-by-step explanation:
The gambling dice found in the grave were made from various materials depending on the time period and culture. In ancient civilizations such as Mesopotamia, the dice were typically made from materials like bone, ivory, or wood. In some cases, they were also made from precious metals like gold or silver. For example, in the Sumerian royal tombs, gold and silver dice have been found.
One example of a material used for making dice is astragali, which are the ankle bones of animals like sheep or goats. These bones were shaped into a cube-like form and were commonly used in ancient Greece and Rome.
Overall, the materials used for making gambling dice varied across different cultures and time periods, but the most common materials were bone, ivory, wood, and sometimes precious metals like gold and silver.