After a Freedom of Information request, the government told the BBC between the financial years 2009 and 2011 officials confiscated 24,695 items.
The items include cameras, recorders and alcohol as well as weapons.
Items are seized by court security staff at the entrance or in the court if they decide they could be used as a weapon or cause a hazard to others in the building.
Recorders, but not flutes or other woodwind instruments - for example, if you bring a flute you're considered unlikely to be a crim. And if carrying a clarinet, you get the best seats
These days, can you still bring popcorn?