C20 - The Twenty Sided Cave GeneratorIf you're going to adopt a massive living cave, then why not have a massive die that generates random caves? Map Making Oversized D20 The C20 makes quick work of that, creating random maps, traps, and more. Made of black resin and measures 50mm. The maps on the die are etched and inked white. Like Dungeon Geomorphs on a icosahedronicosahedron. Includes 1 oversized d20 die, black resin with white etching, 50mm size.