Bomber Mansion
Start a new game as Bomberman, then kill yourself with bombs. The Prof will say you need more time at Bomber Mansion. When it asks you to continue, select no and go to the main menu.

Instruction manual:
Under the explanation of all the bomb items, it shows a picture of the light bulb but gives the description of the jug.Just next to it, the manual shows a picture of the jug with the description of the light bulb