The making of hanging mobiles has long been a traditional craft in Scandinavia, but the story of the modern mobile began 60 years ago in Denmark when Christian Flensted made his first homemade mobile to celebrate the birth of his baby daughter.  He cut out three storks from paper, mounted them on two straws and hung them over her cot. The following year Christian and his wife Grethe founded their company, Flensted Mobiles, and before…