The Gruffalo 3rd Birthday Card. The Gruffalo is a modern classic and this beloved monster has becomeÂ a star of the stage and screen as well as a story-time favourite. The award-winning story created by Julia Donaldson and Axel Scheffler. The message says "You're 3. Let the fun begin! Happy 3rd Birthday."Â There is lots of space to write your own personal message. The Gruffalo can be pictured in his home, the forest, with his friend the mouse close by. Both characters here to wish a Gruffalo fan a very happy 3rd birthday! OrderÂ your The GruffaloÂ 3rd BirthdayÂ CardÂ before 2pmÂ Monday to Friday and receive delivery.Â Worldwide delivery is also available.