Fill a high ball glass one quarter full with ice. Add the Aperol, vermouth and gin. Stir everything together so it's ice cold.

Rub a martini glass with the lemon wedge. Place a small amount of purple edible glitter in a small saucer (big enough for the glasand place the glass upside down on the saucer. Move it around until the rim is evenly coated in glitter. Remove the glass and tap it upside down to remove any excess glitter.

Strain the witches brew cocktail into the martini glass, serve with a straw.