I recently purchased this and only used it once, so there's hardly any decrease. The eraser and sharpener are unused. A set of 12 Coupy-Pencils, with a sharpener and eraser. Name sticker included. Color scheme sticker not included. - Brand: SAKURA - Model Name: COUPY-PENCIL 12 - Number of Colors: 12 - Accessories: Sharpener, eraser - Country of Manufacture: Japan Thank you for looking.