Held in Poland each June is one of world 's largest church trade shows . From electronic keyboards to heated pews , ecclesiastic hardware are available . Industry supplying church hardware is estimated to be worth around $ 4 billion . Last year 's exhibit was a full reconstruction of Pope John Paul II 's ' popemobile '
SacroExpo in Poland each June is one of world 's largest church trade shows . From electronic bibles to heated pews , ecclesiastic accessories are available . Industry supplying church items is estimated to be worth around $ 4 billion . Last year 's highlight was a full reconstruction of Pope John Paul II 's 'popemobile '