Lisa Pace shares tips in using bees wax in your artwork here.
Use Sharpies and alcohol to decorate coasters. See instructions here. By the way, did you see something like this done on the talk show, "The Chew," recently? They used Ranger's Alcohol Ink I believe, and got very similar results. Either method, it looks like a fun technique to try!
If you are American, you may like these cute confetti buttons at Confetti Sunshine. Of course, you don't need to make them with this pattern, so they could be made for a multitude of occasions.