Check out this HO scale Rapido 127021-3 Alcan UNPX cylindrical covered hopper. It comes in eye - catching yellow and black colors with the number #121437 NSC 3800. Note that the picture might show a different road number.

Using this HO scale Rapido hopper is easy. You can place it on your model train track and let it roll along with your other train cars. When handling it, be gentle to avoid any damage. For maintenance, you can use a soft, dry cloth to clean the body every once in a while. If there are any moving parts, make sure they move smoothly. Keep it in a dry place away from direct sunlight to prevent color fading.