Peter Rabbit Sister Birthday Card. This popular CBeebies CGI animated TV series is based on the works of Beatrix Potter and follows the mischievious Peter Rabbit and his fun adventures with friends. Now you can add some fun to your loved one's special occasion with this official range of Peter Rabbit greetings cards The message says "To A Super Sister On Your Birthday. Hope You Have Lots Of Fun. Let's Laugh And Play All Day! With Lots Of Love." There is also some colouring to do. Plus there is lots of space to write your own message and this card comes with an unsealed envelope. Order your Peter Rabbit Sister Birthday Card before 2pm Monday to Friday and receive delivery. Worldwide delivery is also available.