http://www.seussville.com/games - Suessville
offers some wacky online games as well as
some great printable classics such as
tic-tac-toe (using green eggs and ham of
course) and dot-to-dots.
http://www.funattic.com/game_list.htm -
Although Fun Attic sells games, they also
have a wonderful list of make-it-yourself
outdoor games, activities, and a selection of
free recipes for clay, paint, chalk, and slime.