Jell-O

From Dunderpedia: The Office Wiki

Jell-O is used three times so far in The Office. In each instance, it is part of a prank on someone perpetrated by Jim.

[edit] Season one

In Pilot, Jim encases Dwight's stapler and Michael's mug in Jell-O.

[edit] Season three

In Gay Witch Hunt, Jim encases Andy's calculator in Jell-O.