Crayola.... dry erase on top did not work. Mr Clean Earasers didn't work. Read through all the other tips and looked around what I had in my desk at school and I tried white toothpaste (our hand sanitizer at school is alcohol free argh). With alot of elbow grease it worked pretty good. I'm concerned about the finish now so I might also follow the post that said wipe on some baby oil before using again. (BTW this was thanks to my son who hangs out in my classroom after school and the student who left a crayola marker on my white board ledge....argh) ... View related article.