Additional items may be added to any reward tier.
Simply click the "Manage Pledge" button at the top of the project page (or when you hover over your already selected reward).
Next, add one or more of the following items and its corresponding monetary amount to your pledge: (see table above)
Add the additional amount to the $ amount already listed in the $$ field of the Manage your Pledge page
Examples of how to figure add ons:
Your order: Pinky and Bubba $34 (including US shipping) Add Ping Ping (+$15) Total= $49 (including US shipping) Your initial order will have already added shipping for your initial order.