There are several ways to reuse plastic tubes from PET bottles. Moreover, both in decorative purposes and in quite functional.
From plastic traffic jams, you can make a beautiful mosaic, adorning the wall of the house, or a coating stand. And you can make a funny toy, a pretty night light lamp or a colorful flooring.
In a word, there would be a fantasy yes enough "details! Take a look at a few examples of how people turn ordinary plastic plugs in the works of domestic art!