You can try a question and answer site like this, it's fun!
likecool.com
none have sex with a friend
Fun websites are too entertain kids when they get bored or don't want to go outside and play.
You're at a great place right now: WikiAnswers.com. There are always new questions to answer. Also, AddictingGames.com is good if you want to play games.
www.izandkenna.webnode.com
Pinchweb - it's a collection of good entertaining websites for your viewing pleasure. There's a vast variety to chose from so a lot of them will be to your taste.
I know a lot of good gaming websites: addictinggames, nitrome, miniclip, candystand, bubblebox, bored, and freeworldgroup. I suggest addictinggames because it has all kinds of games.
There are many great ideas out there for people to do when they are bored. Some things to do when your bored is to take a walk, go swimming, read a book, or volunteer somewhere.
Read, learn. A person who learns to think is seldom bored.
Go to sleep or play a good board game
There are a lot of good online free ecard websites. You can go to www.hallmark.com or you can go to www.bluemountain.com. These websites provide you with a lot of free online ecards.
For general entertainment, try pinchweb.com - it has a collection of boredom-curing websites. If you're looking for games: Runescape.com, evony.com, adventurequestworlds.com, and maybe google.com are fun website's to visit when your bored, well that's my opinion... try youtube.com mugglenet.com (only if you like harry potter) and bored.com