Using this HO scale brass RPO car is easy. Just place it on your model train track. When handling it, be gentle as it's a fragile item. For storage, keep it in its original box and foam to protect it from scratches and damage. To maintain its condition, avoid exposing it to extreme temperatures and humidity. If it gets dirty, use a soft, dry cloth to gently wipe it. Don't use any harsh chemicals as they might damage the brass. If you need to replace any parts, use the spare parts included. And remember, if you're not happy with your purchase, you can return it within 30 days for a full refund, with a few conditions as described in the product details.