This signal head can be used with any of our Signal Ground Mast Assemblys to create your own unique Color Light signal build. The kit consist of two resin parts, brass photo-etch and detailed instructions. Our N Scale Color Light LED Assembly kit #LED0009 (must be purchased separately) is specifically designed to fit into this signal head perfectly to make lighting this signal head easier. Click the instructions tab for more information. For a step by step tutorial build please see Peter Borcherds professional video or click the video tab.