IP Kids Page

US Patent and Trademark Office's Kids Page: http://www.uspto.gov/web/offices/ac/ahrpa/opa/kids/index.html

Smithsonian's Lemelson Center's Invention at Play: http://invention.smithsonian.org/centerpieces/iap/playhouse_main.html

Invent Iowa: http://www.education.uiowa.edu/belinblank/Programs/Students/inventia/

InventNow.org - World: http://www.inventnow.org/