Before you think that the regular internet browser you use is okay for your kids too, take a look at this screen-shot which i took from my PC while my 5 yo son was playing a game on one of very reputed web site.
You need to build separate environment for kids which are of age 3-14, preferable a separate Operating System which boots from another hard-disk or from USB/live CD. But the least you must do is to give them secure browser environment. KidZui is a free Web browser, search engine and online playground for kids 3-12.
KidZui eliminates the need for parents to constantly watch over their kids’ shoulder, when they are online.
It has an option to start the KidZui with Full Screen right after the login, remember to use that option.
Parents know what their kids are doing online and they can connect by sharing content. KidZui sends a weekly email that tells you what your kids are doing online. The KidZui parent account lets you share content and set limits. KidZui helps kids to learn, play, search and discover over 2 million games, websites, videos and photos on their own. KidZui has the largest number of games, websites, videos and photos reviewed by parents and teachers anywhere.
KidZui is free to all families but also offers paid Membership with extra benefits, can be downloaded from their website.
“Busy parents can simply set up KidZui and trust that their kids will be safe online.” is what Wall Street Journal has to say about KidZui.
KidZui is also available as FireFox extension.