Put colored pencil, pen, pencil, felt out of washable and a wooden desk.?

I colored pencil, pen, pencil, felt washable and on my desk. Know whether he has been there for 6 years. Is there anyway to remove it? I feel have tried everything (nail polish, a magic eraser, and Hairspray).

This is so long, so I suggest that or sanding, or painting. They are your only options im afraid.

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