Distance: 2 miles and teach yoga class
Claes Oldenburg, Ice Bag - Scale C, 1971, 12' diameter
This one is made of fiber-re-inforced polyester resin, lacquer, nylon cloth saturated with neoprene, plywood, steel, fans and motors so Ciwt assumes it would be allowed here.
Its technology was updated for a 2009 show at the Whitney Museum and it now functions as the artist had originally intended, inflating and deflating with a twisting motion and mechanical sigh. (Some say soothing the art world's collective hangover).