I then coated the glass insert with black chalk spray paint (purchased from Home Depot).
Then I spiced it up with some hot kid-friendly white spots.
Now, in order to prime the chalk board, you MUST smear the entire surface with chalk and then wipe clean with a damp towel. This will prevent chalk scratches from remaining permanently ghosted into the surface.
After removal — doodle to your hearts desire!
And now a before/after recap: