My kids think that we should definitely get a rocking couch, but my wife is less enthused. There are, I suppose, potential drawbacks once you're done using it as a seesaw.
Patrick Knoch of Extranorm, a design studio in Paris, calls this piece Équilibriste. He says that "It creates communication between people, a physical, lively and spontaneous communication." Surely you couldn't find a better use for the $5,269.28 price.
-via Core 77