Learn about the Olympic mascots, create one and play games https://mascot-games.london2012.com/
A good link to Summer Olympics resources http://www.kathimitchell.com/olympics.html
Printable stuff http://www.abcteach.com/directory/theme_units/sports/olympics/
Log in at https://getset.london2012.com/en/login/international for educational stuff related to the olympics
Finally here are the photos showin some of the activities K and L did related to the Olympics.
Craft related to Olympic Emblem
Olympic Themed cookies