Communication has certainly changed over the years - so rapidly that it's hard to remember what it was like 10 let alone 80 years ago! So how did people communicate with each other? Have you heard of morse code? Perhaps the Manual Exchange, dial type telephones and the old red telephone box?
Come and try sending a message on the wire catapult from one side of the building to the other or on the Pneumatic Conveyor which was saved from a local department store. The conveyor was used to suck a capsule containing money through a pipe from one area of the store to another.
Have a go at ringing the Westminster Chimes. Try following the numbers and hit the bells in the correct sequence to play the tune. It requires some concentration, but is lots of fun.
The Pianola is popular with visitors. You don't need any piano playing skills apart from being able to pedal and read the words. In past days the Pianola was a focal point for families entertaining at home, great for encouraging sing-a-longs.