Rubber stamp ($21, SimonStamp.com)
4" x 6" postcards ($8 for 8, CafePress.com)
Ink pad ($6, SimonStamp.com)
1. Download our stamp template and use it to order a custom stamp.
2. Stamp on color ink pad -- we used Fresh Green -- and then on the back of the postcard.
3. Allow to dry completely.
4. Address and add postage. (Don't forget a postcard requires a 28 cent stamp, so you'll save on postage!)