Jack, we Aussies have drunk the lager phone under the table... it's easy to play, but a bugger to get the parts... :-)
Plastic seals are trickier to remove than the old cork seals and any platic left in the crown will deaden the tone. But if you collect the steel thingies that stop the wires on champagne corks from cutting through the cork, you can make a champerphone.
Linsey Pollak does a fine line in unusual instruments, some of which are percussion. Satay sticks tuned by varying their length while tapped might not be everyone's idea of "percussion" and the sound of gaffer tape coming off the roll (used in Kev the roadie) even less so but his most recent use of a bicycle (spokes, tyres, pump, saddle stem and chain) is seriously percussive.