Animal Balloons Greeting Card Puzzle from Mudpuppy is a 12 piece postcard puzzle with an image of adorable animal head balloons on one side and space to write a message on the other side. Package comes with puzzle put together, write the message on back, break up the pieces, place in the envelope and mail. ? A greeting card and a puzzle in one! ? 12 piece puzzle ? Add your own message to the back ? Includes color-coordinated envelope and full-color sticker seal ? Package: 5.25 x 7.25", 13 x 18 cm