ice cool, a class above. 6-year-old shim yu bin is declared south korea's chopstick prodigy. >> i practiced with my mom a lot so i was able to move a lot of beans. i practiced a lot. >>reporter: it's all part of a festival linking a city in south korea with one each in japan and china. officials decided to make a shared festival for countries going back a thousand years. >> the chopsticks divide as well as unite. korean ones are metal and flat sided. japanese ones are perfect for picking at fish >> the medium sized metal chop stick you find her is the perfect compromise. there is the saving grace that you can eat a lot of korean food perfectly politely with a spoon. >>reporter: back in the hall it's the final of the team event. after day of practice, victory is sweet. >> i'm so happy my body could fly away. each of us put in the work. we practiceded hard. >> and with prize money of nearly $1,000 they can afford to eat well as well as skillfully at their celebration dinner. >> good for them. more on the website. taking -- how stupid are the people of iowa. how stupid are the people of the co