Wikimedia CommonsCool facts
Rock stars. People shaped stone into sharp tools with edges and points, perfect for cutting, scraping, and hunting.
Super long time. The Stone Age lasted about 3.4 million years, it makes up around 99% of all human history!
The big change. It ended somewhere between 4000 and 2000 BC, when people figured out how to work with metal instead.
Clever survivors. Stone Age people learned to make fire, hunt, and create shelters long before cities or writing existed.
Go deeper 
Napoleon
Colosseum
Tutankhamun
Knight
Cave Paintings