If it’s got to that time in the term when you’re tearing your hair out trying to think of constructive activities to amuse your pupils. Or perhaps you need amusing whilst others are still trying to get things finished , try some of these. A range of sites that allow the user to create the most amasing onscreen visual patterns. Also really good for SEN pupils who respond to strong visual images and Early Years pupils.
If you want to test and develop ICT capability, why not try copying the image (use Screen Grab Pro or Snippy to capture an image from anywhere) and editing it in a graphics package such as Revelation Natural Art.