1.Preheat oven to 350 degrees, line two large cookie sheets with parchment paper, set aside.
2.Using a stand or hand mixer, combine cake mix, oil, eggs and vanilla extract. Mix until combined well. Take a spatula and dig down to make sure all the dry is incorporated into the wet.
3.Place dough in fridge for about 30 minutes.
4.Roll about 2 tablespoons of dough in hands and place on one prepared cookie sheets.
5.Place sprinkles into a bowl and roll each ball into the sprinkles. Place back on cookie sheets.
6.Bake for about 7 to 8 minutes. Take out of oven and place a few white chips on the top of each cookie.
7.Put back in oven for just 2 minutes. Take out and let cool on pan on a wire rack then transfer cookies onto the wire rack to cool completely. That was fun, right!? Enjoy!