This is a set from the 2025 Meitetsu (Nagoya Railroad) mystery-solving event, "Encounters Beyond the Rails." The event runs until November 10, 2025. The "Special Edition" puzzles have not been solved. There are notes/writings on the materials. This is for those who couldn't solve the puzzles and would like to use them as a reference for the next mystery-solving event. This is a used item. Please refrain from purchasing if you are looking for a perfect item. It will be folded to A4 size for shipping. Please be aware of this.