In a large glass pitcher, add vodka and candy corn. Shake to combine. Allow the vodka to infuse with the candy corn for at least 3 hours. Strain through a mesh sieve.
Add the candy corn vodka, vanilla vodka, pineapple juice, orange juice, and lemon juice to a shaker of ice and shake to combine.
Pour the mixture into a martini glass and add a splash of sprite.
Recipe by The Messy Baker Blog at http://themessybakerblog.com/2012/10/28/candy-corn-martini-sundaysupper/