Product introduction Elementary school before and after the optimal dictation for pencil to learning. Children to be able to naturally correct grip way, the axis is thick triangle. Because the shaft is thick, you need a dedicated "Children pencil sharpener" (sold separately) it is. "Children's Pencil" series of Kumon has 6B ? 4B ? colored pencils in addition to 2B. Please choose according to the size and pen pressure of the children of hand. From Amazon Dedicated "infant pencil sharpener" (sold separately) or, "Children pencil sharpener" (sold separately) is required.