We can use this to call the others. Have a meeting. They'll come when they hear us.
The kids put face paint on each others faces.
Simon is hallucinating and talking to the pig head which he referred as the Lord of the Flies.
Fancy thinking the beast was something you can hunt and kill.
"For hunting. Like in the war. You know-dazzle paint. Like thing trying to look like something else-" (Golding 63). The face paint is used to disassociate yourself from the hunting and killing. When people can project the blame onto something or someone else it gives them a sense of comfort and a reassurance that it isn't their fault.
"Fancy thinking the beast was something you can hunt and kill" (143 Golding). This signifies that the beast is within all of the children and not a physical thing. It is also saying that it would be much easier if it was something that they could simply kill, but in reality, it is always a part of all the children and the best thing they can do is understand that and accept it.