Mr. Bambuckle’s Remarkables on the Lookout

Australia's favourite teacher is back - but has Mr Bambuckle met his greatest challenge yet?
Vex is gone! We have to find him.
But how? He could be anywhere.
We'll have to track him down.
That's impossible.
Not if we work together.
Mr Bambuckle and the class in room 12B are in trouble. Can they find Vex before it's too late?