Is there a game when you can walk chat trade and free online game for kids

There are many ones like that.

• McWorld -A free game developed by McDonald's. Uses browser, no download. Has minimal ADs.
• Free Realms -A 3-D world. Have to download. Lots of things to do.

For a more expansive list go to mmohut.com/browser-games. It has a great list of games.
Hope this helps.