HIRST ARTS MOLD #52 - 4" CIRCULAR TOWER   - "Will make all the blocks needed to build the Circular Tower. It measures 4" outside diameter. Contains arrow slit blocks, decorative braces, circular stairway pieces and blocks to seamlessly splice curved towers into existing flat walls." Skullcrafts only uses gray Merlins Magic to produce top quality castings of Hirst Arts molds. Great care goes into each and every cast to ensure that all bricks are bubble free and all the same sizes. Alternately, you can directly buy Mold #52 from Hirst Arts to cast your own circular blocks and order Merlins Magic from Clint Sales and Mfg. Skullcrafts is a fully licensed legal seller of Hirst Arts casts, kits and assembled & painted pieces.