This chess computer is one of the most popular computers amongst chess players. The Mephisto Exclusive is a household name amongst collectors. This computer has been tested and seems to function, LED lights light up on the chessboard and it also beeps softly and reacts to the magnets in the chess pieces. The operation cannot be fully tested because no chess module is included, which can be plugged in as a type of cartridge. Other than that it is a beautiful chessboard with which to play a game. The set can be safely stored in the accompanying luxurious carry-case. The power supply is also included. In good condition with slight signs of wear. A white pawn and the black horses seem to be a little different. Measurements are: Chessboard - 40 cm x 40 cm x 6 cm. The King's height: 7 cm. Total weight: approximately 8 kg. The entire lot will be securely packaged and shipped via registered mail.