※ Price increase will be considered if the number of likes continues to increase. Rollbahn notebook, Hakone limited edition. Purchased in Hakone in the summer of 2025. The following is from the website introduction: Rollbahn Pocket Memo L Hakone Tozan Train, Deyama Iron Bridge This product is a Hakone Tozan Railway original design, a first-time collaboration with Delfonics' Rollbahn, which is popular for its simple, timeless design and ease of use. Size: Approximately 14.3 x 18.2 x 1.5 cm