Happy Jackson ‘14 Today Happy Birthday!’ Card Celebrate an experienced teenager’s fourteenth birthday with this card from Happy Jackson. The card has the message written on the front: ‘FOURTEEN TODAY 14 HAPPY BIRTHDAY have a fantastic one!’ This card is black inside, so you can write your own message as long or short as you like! Happy Jackson Cards Suitable for a range of occasions, Happy Jackson bring you a range of fun, colourful and cleverly worded cards sure to make you, and the recipient of the delightful card smile. The card comes blank inside – plenty of space to get your creative juices flowing and the vibrant yellow envelope means your card will stand out in the pile.