CLEVELAND, Dec. 27, 2012 /PRNewswire/ -- A child's birthday is a celebrated tradition and bringing smiles to their faces on their special day can be the ultimate treat. Those looking to add some extra delight and laughter to a child's big day can now look to the American Greetings Corporation (NYSE: AM) card aisle for the latest collection of children's birthday cards—The Lost Socks™. This new line of cards not only provides a beloved kid a thoughtful and funny greeting, but also gives them an added surprise birthday gift in the form of a cute and lovable sock puppet. From the mysterious realm beyond the dryer—it's the Lost Socks! Separated from their matching pair years ago, these ready-to-wear sock puppet cards roam the laundry room of life dedicated to spreading happiness and cheer. These adorable, pun-filled sock puppets are ready to be pulled from the card and played with for even more birthday fun. Designs include an Arrrgyle the Pirate, Princess Slipperfoot and Paws the dog, each one with their own personality and backstory included on the card. "We know that consumers love to find new and exciting ways to make a child feel really special on their birthdays," said Carol Miller, executive director of new product concepts at American Greetings. "Each Lost Socks card is just bursting with personality and cheer—kids will totally become smitten with their new sock puppet friend and play with them long after their birthdays are over." As the industry leader in greeting card inventions, American Greetings has introduced more than 100 new greeting card formats under the Inventions brand, offering the ultimate selection of exciting, new-to-the world ways to celebrate birthdays and other happy occasions. Incorporating brand-new twists on technology in cards with carefully written copy and celebratory artwork, the combined effect is the perfect selection of greeting cards that are sure to surprise and delight any recipient.