The base of this goblet is black iron with a steel lace pattern The stem is a large brass screw with a nut fixed halfway along Another nut is fixed to the body made out of black iron plates riveted together & overlaid with mysterious machinery Arcane gears & pipes interlock strangely & in the centre is a grinning staring skull eyes filled with gears & held in place with iron screws With a removable stainless steel insert for ease of cleaning this goblet is an essential addition to any mad scientists drinkware collection