1.Preheat oven to 350°F. Spray one 13 x 9 x 2 in. pan or two 8 or 9 x 2 in. round pans or a fluted tube pan with vegetable pan spray.
2.In large bowl, combine cake mix, pudding mix, eggs, water and oil; beat at medium speed with electric mixer for 2 minutes. Pour into prepared pan.
3.Bake 30-35 minutes for round pans; 35-40 minutes sheet pan; 50-55 minutes for fluted tube pan. Cool in pans 10 minutes; remove from pans to cooling grid and cool completely.
4.In small bowl, whisk together confectioners’ sugar and milk. Prepare glaze and divide into separate bowls, tinting each Lemon Yellow, Sky Blue with Kelly Green, Kelly Green with Sky Blue, Pink and Violet with Sky Blue. Start with white glaze, then randomly add colored glaze. Repeat until desired look