In the early days of writing this blog, I described how you can imitate the spotlight function of an IW board in powerpoint by using motion paths and the correct colours for the highlight box, text and slide background.
As a follow up to this, and with the annual November the 5th commemoration of the secret plot to blow up Parliament, why not create your own secret messages in any language and ask your pupils to decode them?
Here is an explanation of how to create them
Download the example I have created, to see what I mean
You could put pupils in groups/teams.
For some of them, their job would be to look at the screen and work together to scribble down the bits of the message as they are revealed.
For the rest, their job could be to use dictionaries to try and 'decode' the language and translate as best they can into English.
First team to get the most accurate version wins!