Stencils have come a long way since the days of the BBC's Changing Rooms . Our customer Katie Matthews have taken a pretty ordinary tray and turned it into a Bansky inspired work of art. She used Paris Grey, Old White, Emperors Silk (red) and Graphite. Banksy, if you're reading this, Annie Sloan Chalk Paint ™ works perfectly well on extra walls as well as virtually all other surfaces.