I got one last week when net down and that why just posting as looking through phone picture's early and I think so cool that got to post, I got double egg yolk which a such surprise (I sad), sounds bit weird but check out this Dave Gorman episode and thinks this take the Surprise out of Kinder Surprise don't you think? good tv even if not watch TV you should just check this episode out.
https://www.comedy.co.uk/tv/dave_gorman_modern_life/videos/12247/found_poem_double_yolk_eggs/