Using your HO Scale Brass Oriental Limited D&RGW Rio Grande EMD F9 A/B/B Set is easy. Just connect it to an analog DC power source and watch it run. When handling the trains, be gentle as they're fragile. For maintenance, regularly check the wheels for any dirt or debris. You can use a soft, dry cloth to clean the body of the trains to keep the excellent factory paint looking great. Store the trains in their original boxes and foam when not in use to protect them from damage. If you need to apply the road number decals, take your time and follow the instructions carefully. Remember, if you have any issues during use, reach out to us, and we'll help you out.