Magic Highlighters

As you go freely about your highlighting business, there's nothing more upsetting than highlighting the incorrect thing. Well, fret no more, here is a set of highlighters with a magical addition!  Each highlighter has the usual highlighty bit at the top, but contained in the bottom is a highlighter eraser - to rub away any irregular highlighting and keep that revision, marking or colouring a highlighting hit.

Pack of 6 different highlighters, each with an eraser.