Anish Kapoor, Grayson Perry or Yoko Ono for just £40? At the Royal College of Art's Secret 2009 event, on display on November 21.

Jill Magid is showing his light installations at the free contemporary art space at Tate Modern on Level 2 Gallery, until Jan 3, 2010.

Currently on view at the Gagosian in Rome is ‘Monumental Sculpture’ (from 1948 to 1964) by Alexander Calder.