The Stone Age was a period of prehistory characterized by the use of stone tools. During this time, four main tools were used: an eolith (6 letters), an AXE (3 letters), a handaxe (7 letters), a NEOLITH (7 letters), and a CELT (4 letters). An eolith is a primitive stone tool that was used in the early Stone Age. An AXE is a tool consisting of a handle with a heavy metal blade attached to it. A handaxe is a stone tool shaped like an AXE head with a handle attached to it. A NEOLITH is a more advanced stone tool that was used in the later Stone Age. Finally, a CELT is a stone tool with a sharpened edge that was used for cutting and scraping.