The shipment box is what allows the player to make gold. You can purchase it from the Carpenter for 8 wood. To use it there are three options you can either take the item and right click it on to the shipment box, or you can throw items on top, or finally using any item insertion like a hopper. If you use a hopper, the profits will go to whoever places the shipment box. Right clicking will go to the player that is right clicking. Every day at 6am whatever you have shipped will be converted to gold.