Hand axes are prehistoric tools made by early humans, primarily from stone. They typically have a teardrop shape and were used for various tasks, such as cutting, chopping, and scraping. Hand axes are associated with the Acheulean culture, which dates back to around 1.76 million years ago. These tools were essential for survival, helping early humans process food and create shelters. Hand axes demonstrate the advanced cognitive skills of our ancestors, showcasing their ability to create and use tools effectively. They are often found in archaeological sites, providing valuable insights into the lives of early hominins.