Thanks Pinterest! Saw this idea on Pinterest and the original artist is Judith G. Klausner. Yes, sculpting Oreo Cookie cream filling on a Friday afternoon works out just great in a high school art class. Students figured out that the toothpick carved much "cleaner" lines when it was kept wet by licking it in between carvings.
(No one minded having to do this often :)
(No one minded having to do this often :)