Here is a simple and surprising recycle/reuse of a bottle. Recently, I went into the bathroom to discover that my wife had reused a bottle as a couple. These cups have been floating around the counter in the bathroom for literally years. Well, no need to buy a cupholder.
While her approach is efficient and effective, I’m sure if you have children around this could be the perfect beautification arts and craft project with some string, some glues, and some paints, or any number of other materials.