HIRST ARTS MOLD #271 - LABORATORY FLOOR   - "These 1" square tiles can be used for floors on the cleaner areas of space ships. Includes recessed tiles, plain tiles, a ramp, hatch door, beveled edge pieces and a secure door." 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 #271 from Hirst Arts to cast your own laboratory floor 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.