These are merely blown eggs, which should always be used when the employment of solid ones is not imperatively necessary. Their lightness enables the performer to palm them with considerable ease, and the same peculiarity renders them less liable to break; and, when they do, by chance, crack, no disconcerting emission of glutinous contents ensues. Besides this, a stock can always be kept on hand ready for any performance, which cannot be done with real eggs. Imitation eggs are made in indiarubber. These are of everlasting wear, bodily, but the exterior paint wants renewing occasionally, in order to maintain the resemblance to the real article, at no time any too exact.