Guess the Thing

Coco: It is black and big. It is rectangle with the longer side on top. It is hang on the wall. There are words and pictures on it. It is smooth.

Kassy: It is in the shape of a red circle. On each side of the circle, there are three black sticks coming out. There is a straight line down the middle of the circle. Near the top of the black line, there is a straight line going across the circle. The top part is black. In the black part, there are two little white circles, on each side of the middle line. There are lots of little black circles in the rest of big circle. What am I?

Coco: It has three little black circles touching. The circles are going straight down. Two line on the top. Three sticks on each side. It is very small.