EDIT: Well, Mr. Guest, upon playing Mario Kart DS again, the fake blocks don't have a ? mark at all, so it's wrong either way......and either way, I'm still not fixing it.
? mark block
And to make things clearer.....I drew it thinking of a nirmal ? mark block.....forgot it was supposed to be a fake one.....and yes....fake ? mark blocks have nothing on them...YAY!