No sharpening required. This FUN FRY pencil allows you to write WITHOUT INK! The tip is made with solid carbon-based metal element and left strokes when brushing against paper *Can be used for children to write, for art projects or birthday gift for them，Note that its color is like a pencil and can be erased with an eraser. *The tip of the pen friction on the paper to decompose the alloy metal molecules and leave it on the surface of the paper. *No need to sharpen pencil, no wood consumption, never finish writing, use a pencil for a lifetime is enough *With creative design, it can greatly motivate children's interest to write and study.