Contenders for the Turner Prize include a train, a brick suit and giant buttocks

A model train and bare buttocks are among artworks nominated for the prestigious Turner Prize.

Work by four shortlisted artists went on display Monday at London's Tate Britain gallery.

The show includes Michael Dean's scrap-metal sculptures.

Helen Martenuses sculpture, collage and screen printing tocreate her work.

Josephine Pryde'swork includes amodel of a graffiti-covered train andphotography.

Anthea Hamilton's surrealist sculpturesincludea 10-metretall model of a man's naked posterior and a brick suit.

The winner of the 25,000($42,813 Cdn) prize will be announced Dec. 5.

Founded in 1984 and given annually to a Britain-based artist under 50, the prize often sparks heated debate about the value of modern art.

Named for 19th-century landscape painter J.M.W. Turner, the award helped make stars of potter Grayson Perry, shark pickler Damien Hirst and 12 Years a Slavedirector Steve McQueen.