Since we are right in the middle of the Presidential election it is the prefect time to introduce your kids the the election process.
NARA has the Electoral College site. It has teacher resource, electoral calculator, and more. The teachers resources seem to have great things for kids of all ages.
VA Joe’s has an issues calculator that helps you figure out which candidate matches up your views best.
has a presentation for kids on the President.
Lastly, don’t count out Wikipedia. They have a pretty complete piece on the electoral college that even includes a map with the votes broken out.