Happy Jackson ‘Grantastic Wishing You a Wonderful Birthday’ Card Look no further for the perfect birthday card for your wonderful Grandma than this card from Happy Jackson that reads: ‘GRANTASTIC THAT’S YOU! wishing you a WONDERFUL BIRTHDAY!’ The writing on the card is decorated with glitter and comes with the message; ‘ with love’ 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.