3 Musketeers Birthday Cake

3 Musketeers is giving its fans a reason to celebrate with the release of its first new flavor in six years — Birthday Cake. The new candy bar features vanilla-flavored nougat and colorful sprinkles covered in rich milk chocolate. Starting in October, 3 Musketeers Birthday Cake will be available at Walmart stores in a Share Size bar (2.14 ounces) and Miniatures Stand Up Pouch (8.4 ounces). The product will roll out nationally in January 2019.