If you are looking for another programming opportunity for your pupils you should take a look at Robomind. This is a free program that can be downloaded from www.robomind.net
In Robomind a robot is programmed to move around a map. It can be programmed either by using commands or, really easily, by using the “remote control”. The really nice feature is that when using the remote control the code generated is visible which creates a visual introduction to scripting.
A fun feature is the ability to pick up and put down an object as you carry it through a maze, making it possible to add a gaming or competitive aspect to tasks.