Cartoon Network and Nickelodeon have some good sites. Or Neopets, though I'm not sure of the min. age.
Well, not really no. There aren't really any specific virtual worlds for 11 years olds. There are some for young children, older children (like 11) teenagers and adults.
Neopets
runescape
try neopets.com
moshi monsters, fantage, spark city world, petpetpark
is there virtual worlds for 11-13 years old
Try GaiaOnline.com Its great!
Runescape RocketonClub penguinPanfuRen GameCampfuMiss BimboStardollMuniz OnlineAnd Yeah
Yes, Actually, you can try Heroup.com which is a really good site for kids
There aren't any 12 year old virtual worlds but there are virtual worlds that 12 year olds can go on. There is fantage and dizzywood and many more. Go on family internet and you'll find some good ones. sometimes u can go on stardoll it is very fun but, some websitses are not for children under 11years old.
YES ... try toontown.com neopets.com buildabearville.com fantage.com
imagine world frank town rocks and supersecret.com
fantage club penguin poptropica wizard101 movie star planet and one that I created... weworld
well,there is ggg.com fantage.com ourworld.com superbuilder.com woozworld.com and more