<P> In 2016, it was announced that any future Green badges awarded (see below) would be made out of recycled yoghurt pots to try and make them' greener' . The Blue and Purple badges followed suit during early 2017 . These badges are slightly smaller, thinner and lighter than the badges before this change, but have the same ship design as the 2004 badge . </P> <P> Over the years, several variations of badge have been introduced with specific applications, as discussed below . Various limited edition birthday badges have also been produced: </P> <Ul> <Li> A 25th birthday badge, introduced in October 1983 . </Li> <Li> A 30th birthday badge, introduced in October 1988 . </Li> <Li> A 35th birthday badge, introduced in October 1993 . </Li> <Li> A badge to celebrate the 40th anniversary of the launch of the original badge in 1963, introduced in October 2003 . This moulding was made of rubber and larger than the traditional badge; it consisted of a white shield with a raised' bubble ship' applique . </Li> <Li> A 50th birthday badge, introduced in October 2008 . This was a gold shield with a blue ship, with the digits "50" superimposed . It was awarded to viewers who sent in something to the programme which celebrated the 50th birthday . However this badge was not announced on the programme itself . </Li> <Li> The Factbyte Factory badge (a shield containing a hologram which oscillates between the Blue Peter logo and a "factbyte" logo): was introduced in early 2009, this badge was awarded to those achieving VIP Level 7 in the online Factbyte Factory game . This is achieved by collecting factbytes (interesting facts and information represented by a gold circle containing an f) from the programmes and the website . This was a limited edition badge and ended after the close of the 2009 series . </Li> <Li> The Sport Badge was introduced for a limited time in 2013 to try to get more children to participate in a sport (from the months of July to September - a child's usual summer holiday .) The badge is shield - shaped and made from the same material as the common Blue badge . It is a white badge with a medal shape on the front of it (the round - shaped medal which is blue, but has the white Blue Peter ship on it . The ribbon' attached' to the medal is made from stripes of blue, white and red .) The child could earn the badge by introducing someone to a new sport, maybe a friend or a brother or sister. Children could apply for the sport badge during the summer months of every year since, with slight changes in the badge's design . The 2014 and 2015 badge had borders added to the design, which were blue and red respectively . To celebrate the 2016 Summer Olympics in Rio, a competition was launched to design the 2016 sport badge . </Li> </Ul> <Li> A 25th birthday badge, introduced in October 1983 . </Li>

Who has got a gold blue peter badge