Line cookie sheet with parchment paper. Set aside.
Preheat oven to 325.
Add flour, sugar, vanilla and butter to food processor.
Pulse until combined.
Add sprinkles and knead until blended.
Roll out dough and form into about 1/2" thick square or rectangle on waxed paper.
Place in freezer for 15 minutes to firm.
Cut dough into 1/2" cubes and place onto prepped sheet.
Bake until bites are lightly brown (about 18-20 minutes).