piano stairs is To encourage people to take the staircase instead of the escalator, Volkswagen converted a set of steps at the Odenplan subway station in Stockholm into working piano keys. “Theory of Fun” website, which showcases efforts to get people to change by simply making things more fun.
Basic on the interaction design this piano stairs can give the people more motivation about sport.
you will see this video follow this link
/Peiyao Zhang Group T