1. In a blender or food processor, combine the coconut, lemon peel and lime peel. Cover and process until finely chopped, about 30 seconds; set aside. In a mixing bowl, combine whipped topping, eggs, dry whipped topping mix and lemon juice. Add dry cake mix and coconut mixture; mix well.
2. Drop by tablespoonfuls into a bowl of confectioner's sugar. Shape into balls. Place 2 in. apart on greased baking sheets. Bake at 350 degrees F for 10-12 minutes or until edges are golden brown. Remove to wire racks to cool.