1) Transformer 6631 Controls analog locomotives. Control of 4 digital locomotives in combination with 6604. Power supply of lights, switches, signals etc. 30 VA. Red light when in use (working). No original packaging (comes from starter set) 2) Delta Control 6604 In combination with a transformer (such as the 6631): controls 4 digital locomotives with addresses 24, 60, 72 and 78. Ideal for Delta/Digital start of small/medium layouts. With original packaging and booklet (Dutch/French/English/German). Including three plugs red/yellow/brown. 3) Light transformer 6611 Power supply of lights, switches, signals etc. 40 VA. Allows the power of your company transformer to be solely used for locomotives. With original packaging Note the replacement of the plug (see photos 13 and 14). The three items are tested for all functions. Very good condition, very slight signs of wear on 6631 (see photo 3: very small dent under the “n” of Märklin, slight signs of wear around control button). Shipping with Bpost World track&trace. Note that I will be absent between 3/6 and 3/24, to ensure fast delivery please pay before this date. See photos for impression. Photos are part of the description.