•  Kiddle
    "Kiddle is a visual search engine for kids powered by Google, offering safe kids web, image, and video search." - Google  
    "KidRex is a child-safe search engine powered by Google Custom Search. The site utilizes Google SafeSearch and maintains its own database of inappropriate websites and keywords. The site has a colorful hand-drawn crayon and colored marker design." - Wikipedia 
    Safe Search
     "Safe Search for Kids is a powerful safe search tool that filters search results to enhance your kids safe search experience. Powered by Google." - Google
    "Kidtopia is a Google custom student safe search engine for preschool and elementary students, indexing only educator approved web sites." - Google