Have your drink on the rocks...Literally! These stone ice cubes are made from Nordic rock. Simply place them in the freezer for an hour and you can kiss the days of watered down beverages goodbye! The rocks pictured can be purchased from a British website, Mocha. You can also purchase soapstone cubes from the states HERE. The cubes are reusable and just rinse them with water to clean. I think these make a great Guy gift!