SMART Technologies is just one company that makes interactive whiteboards that are great for the classroom. From their website, you can download the software onto your computer to create lessons for use on a SMART board. The website also has links to how-to videos and ready to use SMART board lessons.
Below are some examples of interactive lessons and activities:
SMART Notebook Activities Interactive Internet Sites Interactive Websites SMART Board Templates National Library of Manipulatives BV Examples Top Marks Telling Time