A transportation device including first and second tray portions which are stacked relative to each other, first and second transportation openings included in the first and second tray portions, respectively, and a transportation path for a material which is formed between the first and second transportation openings. The first tray portion includes a first movable tray portion which can be displaced, the second tray portion includes a second movable tray portion which can be displaced. The first movable tray portion and the second movable tray portion are configured move between a tray position where the first and second movable tray portions form a tray member for transporting the material and a housing position where the tray portions form a housing configuring member by closing the first and second transportation openings which are exposed in the tray position.