Much-loved Blue Peter star Biddy Baxter has died aged 92, it has been announced. Biddy worked on the children's show for more than 25 years and become renowned for her charity appeals, gymnastic displays and foreign travel reports. She introduced millions of children to sticky-backed plastic thanks to her much-copied home made toys and played a big part in introducing the iconic Blue Peter badge after commissioning and working closely with young artist Tony Hart to design the famous ship logo.