Using this USRA 40' Composite Drop - Bottom Gondola model is easy. Just place it on your model railroad track and enjoy watching it move. When handling the model, be gentle as it's a brass model and can be a bit fragile. To keep it in good condition, store it in the original box and foam when not in use. If it gets dirty, you can use a soft, dry cloth to gently wipe it. Avoid using any harsh chemicals as they might damage the brass. If you have any issues or aren't satisfied with your purchase, reach out to us within 30 days and we'll make it right. Remember, you're responsible for return shipping unless the item arrives damaged.