B
balls, rubber- The Olmec produced rubber balls around 1700 BC. They were the first people to develop and play with rubber balls as well as manufacture other objects of rubber.
balsa wood-
Read more about this topic: Native American Contributions
B
balls, rubber- The Olmec produced rubber balls around 1700 BC. They were the first people to develop and play with rubber balls as well as manufacture other objects of rubber.
balsa wood-
Read more about this topic: Native American Contributions