Pen is a writing tool used to write on paper, by applying ink to the paper surface through a sharp tool called the nib.
There are different types of pen such as ballpoint pens, rollerball, fountain and felt or ceramic tip pens.
During olden days, prior to the discovery of modern pen, people used to use dip pens, ink brush, quill (a flight feather of a large bird),
reed pen (a reed or bamboo stick).
Children always enjoy learning the Things used in school with the pictures.