theme sandstone+*self+*refers to+*children Search Toggle navigation activity Toggle Dropdown history discuss follow editors rules Toggle Dropdown common by group by name recent edit Toggle Dropdown content name type refresh children mates references out references in theme sandstone+*self+*refers to+*children+*children Cards formed by "mating" theme sandstone+*self+*refers to+*children with another card. eg: "theme sandstone+*self+*refers to+*children+mate".