They got to watch demonstrations of Thai cooking and show their own skill at making spicy papaya salad in a somtam contest.
The event was part of the combined International Silk Festival, Phuk Siao Tradition and Red Cross Fair continuing through Sunday (December 10).
There were also a phuk siao (friendship-making) ritual, a silk-fashion show, concerts, exhibitions and muay thai matches.
The northeastern province, well-known for its high-quality silk and the mudmee tie-dyeing technique, is also famed for its sizeable population of “foreign sons-in-law”.