The 3D board never unpacked. It was also a major part of the plot in a Season 1, Episode 20, Court Martial. The 32 game pieces are precision cast and coated in sterling silver or 24 karat gold. This iconic 3-D chess set comes complete with C. Limited Edition showpiece measuring 14″ tall, with three main playing boards (4-1/4″ square)and four Movable attack boards (2-1/8 square) each in color-etched acrylic.