David Shrigley wants your balls: 'Just one of many stupid artworks I have made over the years'

At the British artist's new Melbourne work, you can exchange a ratty old ball for a pristine new one. Just don't leave an apple instead Melbourne is awash with tennis balls and not just because of the Australian Open. Across the Yarra, inside the National Gallery of Victoria, there are precisely 8,510 tennis balls - neat rows of fluoro yellow lining a pristine white room. It looks like a sneaker shop but it smells oddly like a new car. This is the Melbourne Tennis Ball Exchange, an artwork by Br...