It's for a good cause hun!

http://www.inhabitat.com/2007/10/11/...at-holds-beer/

Upcycling is a 21st century term, coined by Cradle to Cradle authors William McDonough and Michael Braungart, but the idea of turning waste into useful products came to life brilliantly in 1963 with the Heineken WOBO (world bottle). Envisioned by beer brewer Alfred Heineken and designed by Dutch architect John Habraken, the “brick that holds beer” was ahead of its ecodesign time, letting beer lovers and builders alike drink and design all in one sitting.