A quick search in a local Dollar Store showed that for just $1 per item, I can get air from: Canada (tissue paper), Mexico (balloons), China (puzzle), Brazil (jelly beans) and Vietnam (tiaras).

“In Vietnam, it’s kind of becoming a badge of honor to be a nerd,” she proclaimed. “Me and my friends love to get dressed up and go to conventions – there are so many in Ho Chi Minh now.” Emma got ...