Lightsaber

A Lightsaber is a solid, despite its laser-like appearance, weapon used by the police. It is similar to a nightstick or baton in manner and is used by hitting the subject. A variant of it was made which, instead of being hard, emits a laser to cut through most surfaces. This model can be used as a hitting stick for a, a cooking implement for peeling potatoes, dueling with, and for cutting through spaceships. Martians use similar objects for arrows.

Trivia

 * This weapon is quite obviously based on the from Star Wars.

Appearances
The solid weapon appears in episodes marked in bold