They included the bags you need to fill with sand because the stand is a safety hazard. It is much lighter and narrower than the heater it has to support . Therefore it’s top heavy and tips over with the slightest bump or gust of wind. Small children and pets face injury from it not to mention risk of fire if the safety shutoff fails. In the pictures they only show it at it’s shortest height but the higher you raise it the more unstable it becomes. Notice how thin the legs are without the sandbags.