I used double sided cardstock to cut out some of the Halloween stuff. It was black on one side, white on the other. I used it the bats, cat, owl, raven, skeleton... It turned out so much better than using regular solid cardstock. The white showed through the cut lines just a little bit -- it made the features really pop. I didn't need to use chalk, stickles etc to give it a 3D effect. I am going to try other colors of double sided cardstock tonight to see how that works out.