Free Games site especially for kids.

MiniClip

www.MiniClip.com is primarily a directory of web games. It is a site where you can play free games.There are a large number of games and they are categorized into sports, action & adventure, puzzle, and shoot em up. Many of these games can also be downloaded for play on your PC. Recently released is a cash prize, Miniclip Tournament section where members can play for money.

Miniclip games most popular titles include Flashman (PacMan variant), Runescape, Bubble Trouble, Miniclip Tetris, and Hamsterball. So if you are looking for some light gaming experience than Miniclip games would suit you. Its quite ideal for small kids.