They say that three is the magic number, and for Disney, three is the number spreading magic all over the glittering West End with The Lion King, Mary Poppins, and now Frozen delighting audiences of all ages. Over the years, Disney theatrical have pushed the boundaries of what can be done on stage when it comes to special effects, with The Lion King leading the way in terms of puppetry and Mary Poppins proving to be a shining example of special effects, but when it comes to F