WE Games Franklin Mint&rsquo;s Official 50th Anniversary Star Trek Tridimensional Chess Set Star Trek Tridimensional Chess Set measures 14 inches tall when assembled 32 stunning pieces are precision cast: 16 coated with sterling silver; 16 coated with 24 karat gold Features three main playing boards (4.25 inches) and four movable attack boards (2.13 inches) Board is acrylic Specially designed collectible booklet contains the history of the game and rules of play