Preheat oven to 350°F. Line a baking sheet with a silicone mat or parchment paper and set aside.
Mix the funfetti cake mix, oil and eggs in a large bowl with electric beaters. Then stir in the extra sprinkles if desired and mix until combined. Refrigerate the dough for 15-20 minutes.
Using a medium scoop or spoon, scoop the dough onto the prepared baking mat. Roll in extra sprinkles if desired. Bake for 8-10 minutes, or until the cookies are set. You don’t want them to brown. Allow to cool on the pan for a couple minutes and then transfer to a cooling rack.
To frost:You can also frost these cookies. I love using this cream cheese frosting.Freezer instructions:Allow cookies to cool. Then freeze on a cookie sheet for 30 minutes. Once hard, stack in a freezer container or zip top bag for up to 3 months. Remove from the freezer 2 hours before serving.