Birthday Cakes : Mary Poppins themed cake: 17 Cherry Tree Lane, whimsical version. Customer added a black silhouette topper of Mary Poppins. By Luana - November 18, 2018 0 3232 Birthday Cakes : Image : Description Mary Poppins themed cake: 17 Cherry Tree Lane, whimsical version. Customer added a black silhouette topper of Mary Poppins.