Check out Doodle Kit for iPhone 4/4S. You can literally Draw, Sketch, Doodle your own iPhone case design. Each kit comes with 3 blank skins, 1 nice dual material protective case, and 4 color markers. It's Fun, Cool, and Unique.
Available now on Amazon and Etsy (10% off with coupon code iLoveDoodle).
Please visit our FB page for more info.