The Harry Potter cast were out promoting the latest (and penultimate installment) last night in Leicester Square and tonight it premieres. No surprise there is a massive amount of merchandise and somepretty decent toy offerings amongst this number, wand based games, action figures aplenty, accessories and LEGO sets,one has caught our eye however. This Monster book of Monsters (a replica) can be used as a keepsake/secret box and can only be opened with your own password. The eerie loking object has sensors in its spine to let you reset a combination of four strokes up and down with potential intruderskept away by the snarling teeth and ghoulish growling. £24.99 from play.com