Mexico

The stone spheres found in Mexico are primarily associated with the ancient Olmec civilization, which flourished in the region from around 1200 BC to 400 BC. The spheres are typically made of basalt and range in size from a few centimeters to over a meter in diameter. They are often highly polished and may feature intricate carvings or decorations.

Notable researchers who have studied the stone spheres of Mexico include:

Overall, the stone spheres of Mexico are an important part of the country's pre-Columbian history and continue to be the subject of ongoing research and study by archaeologists and other experts in the field.