As there isn't a general-language-related forum (not especific to any particular language) under "Languages," I'll share these videos in here, the English one, eventhough they should be easily accessible to people from other languages.
Niña rusa de 5 años pone en práctica su talento
13 year old polyglot speaks 20 languages
ㆍenglish ㆍgeneral ㆍinteresting