HELP ON REMOVING TINY SCRATCHS ON MINI's HOUSING

[ArtXT]

what solvent or any liquid material that can remove or erase a scratchs on mini's housing, mine got a tiny scratch on front of the housing and it's annoy me,specially mine is color black. like in cars,there this special crayon that can erase or cover scrathes.

HELP would greatly be APPRECIATED!!!!

TNX everybody!!! :D