To copy any item you have to have at least 5 or 6 people in Central
Fountain then empty your bag completely and leave only the item you want
to copy in then drop it and pick it up over and over again. It takes a
while but it will copy sooner or later. Note: Find a spot in Central
Fountain where nobody can steal your item and don't give up after a few
seconds it may take a really long time.
Jump through floors:
Hold [Ctrl] and jump to pass through floors that have rooms underneath
them.
