This interactive page lists a bunch of great (unplugged) games for kids. It's really easy to pick out new games to play, which can be filtered by the age of the kids, the place to be played in and the number of players, and keep the kids from sitting in front of the t.v. all day.
Discovery Kids provides plenty of fun, engaging online activities and games. There are quizzes, puzzles, virtual worlds, skills games and etc. It helps kids to be interested in and aware of nature and animals. Also, under activities, there are a bunch of fun facts articles and nature.