Office Pranks Fish Tank Drawer - Give your culprit the gift of an office pet with this intricate, yet effective prank. Firstly, pick a draw from the culprit's filling cabinet and line the drawer using the large plastic bag. Fill the plastic bag around half full of water.In the water, place all the objects, putting the fish in last (if the culprit is going to be out of the office for some time, put the fish in just before they get back to the office – we wouldn’t want the fish to suffer) - if you