Preheat the oven to 350 F. In a large bowl, mix together cake mix, eggs, and vegetable oil until smooth. Fold in the sprinkles, M&Ms, and chocolate chips.
Mix the granulated sugar and ground cinnamon together in a shallow dish. Roll the cookie dough into balls, then roll each one into the cinnamon sugar mixture. Place the cookies onto a large ungreased baking sheet at least 2-inches apart. Bake for 10-12 minutes.