Paintbrush (c30,000BC) – 1000 Inventions and Discoveries
The artists who created the cave paintings at Altamira in Spain, Lascaux in France, and in other places, probably put colour on to the walls in several different ways, including spitting it out. Some of the effects they produced must have needed a paintbrush.
At its simplest, this could have been a twig chewed at one end to separate the fibres, but the world’s first interior decorators may also have used bunches of feathers or bristles.