You can express rich and deep colors by layering colors with the two-color mixed core! Many picture book authors and illustrators create the colors they want to express by layering multiple colors. Mix Color Pencils - DUAL COLOR are colored pencils that use a mixed core that combines two colors, carefully selected by picture book authors, into a single core. You can easily enjoy the beautiful layering of colors. (From the website) The photos of the contents are different. The contents are new and unopened, so they can be used as a gift as is.