TuxMachines.org has a review of the PCLinuxOS based Wizard’s Kid-Safe Livecd. As the name states, it’s made for kids, and includes web filtereing, games, and more stuff to keep kids occupied safely.
Upon login one is immediately greeted by the Kid-Safe Welcome! It is a html page with logos linking to sites of interest to children such as libraries, pbs, online books & games and children friendly search engines.