The technology and ideas come from the same company as Mr. Clean. You can read about the company and the ideas and technology at Extempo . If these and similar sites are a commercial success educators can borrow ideas from them with some confidence that the ideas will help people learn. Take away the selling parts of the sites and look at them from the point of view of teaching people and helping them to learn and you can see how the ideas can be applied to your teaching tasks. While my personal preference is not to have animated characters running around the screen I suspect I am in the minority.
Many people respond to colourful animations and sound.
If they work then educators can take the techniques and technologies and apply them to other knowledge domains. Funding provided by the University Grants Committee and City University. All rights reserved. Use without permission prohibited.