The California Series Mahjong TilesThe California Series features an add on option to allow for Riichi or Singaporean styles of play. 4 Riichi red tiles and 4 Singaporean Animal tiles are included in this add on product. Buy on its own, or add as an add on when purchasing the full California Series Mahjong Set! INCLUDED IN THIS PRODUCT: Riichi: 4 tiles total: 2 count of Red 5 Dot and one each of Red 5 Bam and Red 5 Crack. Singaporean Animals: 4 tiles total: The Cat, Rat, Rooster and