Google for Kids
Google Safe Search for kids

Ask for Kids™
http://www.askkids.com

Kid's Search Tools DATABASES OF SELECTED SITES
http://www.rcls.org/ksearch.htm

KidsClick! Web Search
http://www.kidsclick.org/

LITTLE EXPLORERS Picture Dictionary with Links
http://www.enchantedlearning.com/Dictionary.html

The Internet Public Library Youth Division
http://www.ipl.org/youth