Some coloured pencils are water soluble - water can be brushed over them to blend colours. Water-soluble pencils are usually softer than ordinary coloured pencils and will go blunt more quickly.

Charcoal is a fast and responsive drawing media ... much pressure you use. Graphite sticks are harder than charcoal and can be used for more detail. They are like pencils, but without the wooden ...

A clutch pencil is a tool used for technical drawing, though many fine artists ... never go without a pencil full o’ lead ...