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Crayons in their early forms appeared in ancient times but we started using them in 19th century as art mediums. Today they are used by children but are still important in art. Read more about history of crayons.
Highlighters are useful tools: you can use them to mark dates on a calendar, parts of the relevant text in a book or any other use where you need highlight something on paper. Thy influenced our lives so much that we can even find them in some computer programs. Read more about history of highlighters.
Pencil practically cannot be used without some kind of pencil sharpener. Were they simple knives or complex machines with many rotating elements, their purpose is to make a fine point to a pencil. Read more about pencil sharpener history, facts and types.
Quills were the most sophisticated writing instruments for a long time (some 15 centuries). Many large birds gave their contribution to the spreading of knowledge until metal pens replaced feathers in writing. Read more about history of quill pens.