Wang Keyan took them, looking completely bewildered, because the wooden slips Lin Simo had given her were about as thick as her pinky finger. Looking closer, there was a black speck in the center, as if an ink core were embedded inside.
"What is this?"
Lin Simo said, "This is called a pencil. It can be used for quick sketches and notes, and you can even use it for drawing."
Chapter 109