Olympic stuff

https://www.youtube.com/channel/UCTl3QQTvqHFjurroKxexy2Q
http://www.olympic.org/Documents/Olympic_Legacy/Behind_the_scenes-Games_videos_catalogue-2013.pdf

http://www.scientificamerican.com/report/science-at-olympics/

http://www.historyforkids.net/ancient-greek-olympics.html
http://www.sheknows.com/parenting/articles/965411/10-cool-facts-about-the-olympics-that-your-kids-will-love
http://www.babble.com/babble-voices/16-summer-olympic-games-activities-and-treats-for-kids/
https://kidskonnect.com/sports/olympics/
http://www.sciencekids.co.nz/sciencefacts/sports/summerolympics.html
http://www.bbc.co.uk/newsround/23434275