Postcard Garden

Wouldn't mind getting one of these in the mail. What is it? Read on below:

"The Postcarden by Aimée of A Studio for Design is an ingenious pop-up post card that becomes a mini-garden, adding a little note of fresh and living greenery to your environment. Currently available in three designs — botanical, city, and allotment — each Postcarden comes with a packet of cress seeds. You simply add water for two weeks of goodness (the cress is edible — add a little to your sandwich or salad on the spot). Right now it's only available within the EU, but Aimée plans to expand distribution to the U.S. and other areas soon."

Via The Benevolent Postcard Society.