・This product is a used item. ・It was stored at my parents' house, so I am putting it up for sale. ・All colors of ink come out, but the black ink is a bit faint, so please understand this before purchasing. ・Please note that the eraser on the tip of the ballpoint pen is torn off. ・Regarding how to use the product, the desired color or the mechanical pencil will come out when you press the button with that color facing upwards.