The discovery of an ancient collection of tools suggests that our ancient ancestors began using stone tools on a regular basis about 2.6 million years ago
Source:
https://www.newscientist.com/article/2205065-tool-use-became-widespread-10000-years-earlier-than-we-thought/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home