Kyle Bean's windows

Last summer the windows in Selfridges commercial centre, London, have been a set of sculptures by Kyle Bean based on scientific law of conservation of energy.

Bean has drawn on the scientific theory – which states that 'matter cannot be created or destroyed, only transformed' – to create five works for Selfridges. Each consists of a set of giant hanging scales on which two items are placed. One is an object in its original form, the other a transformed version of it. The scales then prove that the objects are still of equal weight, and thus still essentially the same.

In one display, Bean has transformed a cardboard packing box into an office chair, while another shows 1000 aluminum cans mutated into a small cube.For a third window, Bean has drawn on his paper crafting skills to create a stunning sculpture of a castle from the pages of three fairytale books.

The other two works see a wedding cake and a Honda Fireblade motorcycle turned into mobiles