To provide an excellent ample set for which a user can realize a certain effect by continuously using the same.

By folding one sheet of a mount 1 in three along two parallel valley-fold lines, an elongated base part 4, a fold-back part 5 superposed on the base part 4, and a lid part 6 further superposed thereon are formed. By utilizing a gap space defined by both the base part 4 and the fold-back part 5, seven pieces of aluminum samples 11, 11a are held in such a state that they are arrayed in the form of a row. Seven square frames 16 having descriptions mentioned inside the frames 16 and seven box-shaped marks 16a for checking on them for every use of one piece of the aluminum samples are provided on the inside face of the lid part 6 along its longitudinal direction.