Dice with a cubic shape and on each of the faces a series of incised circular holes make up a number that goes from one (one hole) to six (six holes). It is numbered so that the sum of the opposite faces is seven.
Dice game piece, usually played with three of them.
According to Aranzazu Mendívil's research, there are parallels in Las Sillas (Huesca) from the beginning of the 11th century and in the Albarracín castle on levels from the 11th-13th centuries.