One pencil can draw a line about 55 kilometres long.
That is longer than a very long road! One little pencil holds an amazing amount of writing.
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A pencil writes with a soft grey material called graphite, not lead.
An eraser makes tiny crumbs that lift pencil marks right off the paper.
Most pencils have six flat sides so they don't roll off the desk.
Paper is made from trees that are turned into soft, mushy pulp.
Crayons are made from colored wax that can melt if it gets too warm.