Just came across this. They actually went to the trouble of designing a nice looking box. Shame its just got some fridge magnets inside
http://cgi.ebay.co.uk/FUEL-SAVER-FO...1QQihZ002QQcategoryZ72205QQrdZ1QQcmdZViewItem
http://cgi.ebay.co.uk/FUEL-SAVER-FO...1QQihZ002QQcategoryZ72205QQrdZ1QQcmdZViewItem