. Rothenburg Christmas City Incense cones. Each box contains 24 pieces. Contains a mixture of the scents: gingerbread, pine, cinnamon, vanilla and Christmas myrrh. Manufactured in Germany by Knox. Each piece is approximately 1.1 inches tall (2.8cm) and would be appropriate for most medium and large size smokers. Includes original manufacturers box and packaging. Knox has been manufacturing incense cones since 1865.