The document summarizes the evolution of tools used by different hominid species over millions of years. It describes how early hominids like Australopithecus afarensis used basic stone tools, while later species such as Homo habilis were able to craft sharper stone tools for hunting. Homo erectus developed improved tool making skills and used tools like stone axes. Neanderthals created bone needles and tools for sewing animal skins. Homo sapiens Cro-Magnon were skilled toolmakers who used advanced weapons and tools for sailing. Modern humans are extremely sophisticated toolmakers who utilize various forms of advanced transportation and construction materials in tools and buildings.