KerPoof! in the Classroom

http://www.kerpoof.com/how_to_play?c=teach_faq
Start with the Teacher's FAQ page above for Kerpoof - which is free for classroom use - and learn how to use it to supplement your instruction. Register your class with a school email address, find lesson plans, and classroom ideas to help you make stories, spell words visually, or even create animated movies or artwork. Great fun and learning for elementary and middle school classes!
http://www.kerpoof.com/teach?c=accounts/