Hardbound - Illustrated summaries of bestselling nonfiction books
Wikids - An encyclopedia that talks to your kids
Mirakee - A community for people who like to write and discover quotes, stories, poems and more by blogging!
DragonBox Numbers - Teach kids about numbers with an easy and fun game
Radish - Hundreds of stories at your fingertips
Four Seconds - A timer and a simple rule: stop it at exactly four seconds.