Hop over to WalMart and pick up the Coca-Cola 6 Can AC/DC Personal Mini Cooler / Fridge for only $29.00! It can fit up to 6 cans and cools items up to 32°F (18°C) below ambient temperature. It also includes a removable shelf.
Available in Coca-Cola, Coke Zero, Diet Coke, Sprite, and Fanta designs..