Aedes Ars Ostentor Contains ceramic pieces (which simulate the stones and the original materials), cardboard structure guides, glue, scenic material, and guided instructions. Approximate number of pieces: 3,300 Difficulty degree: 6.5/10 Sizes: 260 x 210 x 345mm Scale: 1/110 These kits contain high quality ceramic pieces (which simulate the stones and the original materials), cardboard structure, glue, scenic material, and instructions. Aedes Ars produce a wide range of building sets which are used for the scale reproduction of some historical monuments such as castles, churches, bridges, and lighthouses, (some are recognised World Heritage Sites), as well as diverse miniature buildings of typical country constructions. The monument and its history The east gate at the east edge of the old part of Regensburg, Germany, was built around 1300 to protect the old city entrance. This Gothic building consists of a square tower with two octagonal towers at both flanks.