Marvel heroes give kids a safe intro to virtual worlds.
Engaging virtual world brings Harry Potter to life.
With music, videos, games, and a virtual world, this site rocks out.
Virtual world with games and some smart parental controls.
This site's pro-environment stance is admirable, but it also deserves kudos for its efforts to keep kids safe.
Nat Geo virtual world teaches kids about nature.
A world of exploration awaits. This site's emphasis on collaboration helps kids work together to solve problems.
Island-hopping adventure is hours of safe fun, but with ads.
Take care of creatures and learn a little in virtual world.