When your child needs a Time-Out, but you want to avoid the power struggle that asking her to sit down in isolation can invite, offer her the Calm Down Jar. Tell her that the glitter is going to calm down soon and ask her to watch it and let you know when the glitter is calm, and then you can talk about how to solve your problem.
I know this photo has gone around and several people have said it doesn't work, BUT this link should take you to the page where the photographer who took the photo explains how he got the look. So logic would dictate that his method would, in fact, work. ;-)