That's right. In the official SB6 store at http://sonicboomsix.bigcartel.com simply choose three items and get the cheapest item for absolutely free! Offer valid from 10am 6th January to 10am 13th January 2010, GMT time.
Simply add two items to your basket, checkout and write a third choice of lesser value in the 'Add Special Notes to Merchant' box in Paypal.
REMEMBER TO INCLUDE SIZE AND COLOUR IF APPLICABLE.
Thanks! Boom news on its way very soon!! Happy Boom Year 2010!!!
Sonic Boom Six x