Happy Jackson ‘Hey Cousin a Great Big Happy Birthday’ Card Wish your cousin the happiest of birthdays with this colourful card from Happy Jackson. The front of the card reads: ‘HEY COUSIN A GREAT BIG HAPPY BIRTHDAY to you!’ The card comes with the message; ‘ have a good one! ’ written inside and has plenty of room for you to write your own message as well. 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 with an appropriate message written inside in case you’re stuck for something to say! The vibrant yellow envelope means your card will stand out in the pile.