We used to pick up a twig and write things on sand with it when we were young. Fallen twig was enough to arouse children’s curiosity and we naturally had fun by drawing with a twig on sand. A twig ballpoint pen is designed based on an inspiration from the memory of childhood. It’s an item that you may feel analog emotion from childhood by writing memo with it. Main characteristics are that you can feel beauty of nature itself with its realistic feature and visual effect and usability get increased with its Ginkgo leaf-shape bookmark.