At ThinkGeek, buy one select item and get a second item for free via coupon code "CLONED". That's one of the best BOGO offers we've seen from ThinkGeek and yields several price lows. (We last saw buy one, get a second at 50% off on select video game items only, in March.) Shipping starts around $6, or spend $75 or more to qualify for free shipping. Coupon expires April 20. A couple of best bets, with prices before the BOGO discount: