This page contains free software offers. It's worth keeping an eye on it, as from time to time there will be special offers available.
Crocodile Elementary - now called Yenka Basic Circuits, is well worth a download.
The mere presence of interactive white
boards (IWBs) in a classroom, however, offers absolutely ZERO guarantees
that learning opportunities in the room will be interactive, engaging, or
inspiring. They might be, but that all DEPENDS– mostly on the TEACHER.