The simple and powerful blackboard is a wonderful symbol of how our earliest education began, bringing back memories of pre-school and kindergarten. Chalk on slate allows a teacher to illustrate and inspire. It s also a great place to play Hang Man or Tic-Tac-Toe. 3 in. x 3.25 in. Each figural glass ornament produced by Old World Christmas is hand crafted in age-old tradition using the same techniques that originated in the 1800's. Molten glass is mouth-blown into finely carved molds made exclusively for Old World Christmas, before a hot solution of liquid silver is poured inside. The ornaments are then hand-painted and glittered in a series of labor-intensive steps to achieve the beautiful creations.