Monster Math Tray. WAY fun idea! Could be adapted for older or younger children as well! I love this!
With Motion Analyzer App, teachers and students can do analysis of movements to understand physics concepts. Making a movie, check the data and see the results chart directly from the application or easily export data to CSV file and open it in any electronic spreadsheet as Numbers, Excel or OpenOffice. Share the generated charts on your Facebook Mail (iOS 6.0), Twitter, or simply copy it to the folder Library.