How about a Banksy grafitti kit complete with stencls, spraycans, balaclava and false balls.
Or a Gilbert and George Rococo shit embellisher. Containing resin and gold leaf for the perfect ormolu stool. (Shit not provided but may be bought separately from the Tate gift shop in handy 30g tins. Price: £97,250.00 courtesey of Piero Manzoni)
Other items on sale include theTracy Emin camping condoms. Signed by the artist for authentic safe artistic fucking intent.
The 'LOOK AT ME' Nicholas Serota mirror... Just repeat after me; If I say it is art it is ART! (This gift works well with Last years 'Emperors new clothing' Curators costume.)
Chapman brother faced false penis noses (set of two). Now you and your brother can look like a pair of dickheads.
The 'Munch Scream' cot and buggy mobile. Ideal for disturbing the very young artist.
Andy Warhol bald patch. Impress your friends with your impersonation of Andy without a wig!
Warhol without wig: http://jannieupjur.blogspot.co.uk/2010/10/club-21-remaking-scene.html
The 'Jackson Pollock' Muse beater. An authentic paint spattered singlet ideal for the 'Abstract Depressionist*' during alcoholic rages. Works equally well on long suffering wives/boyfriends.
The Damian Hirst animal mutilation starter set has been withdrawn due to legal issues... It was rubbish and overpriced anyway!
*Abstract Depressionism: Copyright. Jan Nieupjur 2009. http://jannieupjur.blogspot.co.uk/2008/11/barking-on-thin-ice-in-search-of.html