Not really a virtual world site.....but.....my kids love kidswirl.com ---- it is similar to facebook --- but designed for kids and teens. Great place for kids to connect in a safe environment.
www.fantage.com
www.zwinky.com
www.virtualfamilykingdom.com
www.clubpenguin.com
www.webkinz.com
www.dizzywood.com
Here are some popular sites:NeopetsIcepetsPowerPetsWebkinzSee related links below.
Yes! It's Club Penguin it's a virtual online game for kids 6+ and it's free and easy to make an account. so Play now!
yes it is. yes its free. its one of the best virtual kids sites out there. my kids enjoy playing it everyday.
Webkinz.com, babydow.com, pixiehollow.com, superpokepets.com, and howrse.com are all good Web sites for kids.
imvu and second life
yes
fairyland
I like these:clubpenguinvirtualfamilykingdomdizzywoodgaiawebkinzourworld
xiviopiratesofthecaribbeanonlinefreerealmsvivatyvirtualfamilykingdomweeworld
Disney and PBS have great sites for children.
MoshiMonsters.com ClubPenguin.com
Moviestarplanet.com