Sock Monkey costume from Target.com shipped to your door for only $8.99!
Target has this costume as part of their daily deal for $9.99 plus FREE shipping. It's right under the facial sauna. They are only offering it in a 12-18 month size, but if it doesn't fit you can return it to any Target store. There is also a code out TOEY738U that will get you an extra 10% off.