The apparatus includes holding components 12a, 12b, 12c, 12d as a holding unit that holds image display sheets 10a, 10b, 10c, 10d detachably in a cylinder-like fashion and thereby configures a barrel unit 11; a pair of closing units 13a, 13b that detachably close openings at both ends of the barrel unit 11; a rotating shaft that removably extends through the inside of the barrel unit 11 from one closing unit 13b to the other closing unit 13a; a support unit 17 that imparts a rotational force to the rotating shaft and includes a driving unit 18 configured to stand upright and to be tilted; and a bearing component 16 that rotatably supports an end of the rotating shaft to enable rotation of the main body of the barrel unit 11.