What you'll need:
Small craft paint brush
Paint of your choice
Something to display them in (I've seen glass fish bowls used and other fun variations. I found this at a thrift store last year for $.50. It was gold, but I just have it a quick silver makeover.)
Once the paint dried, I brushed the ModPodge on kind of at random with a medium-sized paint brush and then let the kiddos sprinkle the giltter on.