Old World Christmas glass blown ornament Hermit Crab. Old World Christmas offers the most extensive and best-loved collection with over 1,400 proprietary designs. Hand crafted in age-old tradition using techniques that originated in the 1800's. Molten glass is mouth-blown into finely carved molds made exclusively for Old World Christmas. Ornaments are all hand-painted and glittered in a series of labor-intensive steps to achieve the beautiful creations. This ornament this approximately 3 inches.