Remember the VW bus ball? NY Times has 2 others pictured, and an article

http://www.nytimes.com/2011/04/01/automobiles/01BALLS.html?ex=1178337600&en=5908bbc7d4426481&ei=5070

By PHIL PATTON
Published: April 1, 2011

My extensive write up is here http://justacarguy.blogspot.com/2011/02/vw-bus-ball-lars-erik-fisk-sculptor.html#links