Israel’s booth at the Buenos Aires Book Fair was awarded a prize for “originality and creativity.” The booth, almost completely devoid of furniture, included a “factory of laughs” and a “risometer” that measured the power of the visitors’ laughs. Israel won the same prize in 2014.
http://www.timesofisrael.com/israeli-stall-at-buenos-aires-book-fair-wins-creativity-award/