It's quite game-like because as you click through the various options, you have to collect clues.
They are important and will let you access the seven deleted scenes.
A few adults we spoke to afterwards were a bit disappointed with it. They wanted more interviews and audition out-takes.
But we reckon true Potter fans will go wild for it. Anyone who loves Potter imagines themselves actually at Hogwarts as a student.
With the DVD, that's exactly what you get and it should feed your imagination well into autumn when, with any luck, the next installment comes out!