To start this project we use transparencies that are usually used for over head projectors (I also cut them in half so its about 5x8). I have the students coat the whole thing in rubbing alcohol with a paper towel. After that the students use Alcohol Ink and drip it on top of the transparency. I dont have the students touch or manipulate the ink once its on the paper. For extra help with mixing the ink you can add more rubbing alcohol on top of the ink that will get it to move or use alcohol solution, that will also let the ink "dance"
This process only takes about 5-10 min to dry and I have the students do about 3-5 of these. After all of the art has dried I have the students layer their ink papers on top of one another to have the students get a good composition. We talk about what makes a good composition and what doesn't, we also talk about what Feels right and why it is successful one way compared to another. After they have chosen they way they want it displayed we put it behind white paper and put a mat up around it. They really brighten up a hall way.
There are some easy cross curricular activities to go with this project, if you need any ideas please feel free to contact me.