Make clear balloons more festive (and less boring) with confetti! Sprinkle small amounts of tissue-paper confetti through the mouth of the thing, then blow it up and shake to dispense it around. Find this idea on Pinterest.
Leos How to make party pom-poms - About 60 years ago my Mom showed me how to make these with regular tissues and hold it together with a bobby pin. When we finished we would take one of her lipsticks and "very" gently touch the edges to give them some color. Oh what fond and happy memories! :)