Kid-friendly search engines
Sweet Search is a search engine that searches only the sites that have been reviewed and approved by a team of librarians, teachers, and research experts.
Kidrex is a new kid-safe searach engine powered by Google custom search. It uses a combination of Google's safe search mode and their own database of filtered keywords, phrases, and websites.
Famhoo - Family friendly search engine. This pulls from the results of major search engines like Google and Yahoo but employs stricter filters.