Click on the image below to go to the selected kid friendly website:

http://pbskids.org/

www.nickjr.com/kids-games/

http://www.sproutonline.com/sprout/home/default.aspx

http://disney.go.com/disneyjunior

Snow Flake Builder

http://www.barbie.com/activities/fun_games/

http://www.disney.co.uk/disney-junior/brand/bunnytown.jsp

Recently I signed up for a JumpStart account and the triplets love it.  It is a pay site and costs ~$8 per month, but I think you can have up to 5 different kids playing it at the same time and they use it enough to where we get our money worth with it.  Here is the link:

https://www.jumpstart.com/MyAccount/Login.aspx

http://www.animaljam.com/

https://www.wizard101.com/game

http://www.moshimonsters.com/login

http://play.clubpenguin.com/#/login/

http://www.starfall.com/

http://www.webkinz.com/

http://www.abcya.com/

http://xtramath.org/signin/student

From Sam and Dan Games

http://www.samdangames.blogspot.com/p/play-ptd_16.html

http://www.herotopia.com/