We’ve already shown you how to save water and money by leaving a plastic bottle in your toilet tank, but check out seven other ways to re-use your two-liter soda bottle. Don’t throw the empty bottles from that Labor Day party you had into the recycling bin just yet — most of these projects are for the outdoors, so get started before the weather gets cold. Combine your arts and crafts skills with your desire to recycle. The projects are easy and the results useful!