Multum In Parvo Deluxe - TrickThis classic effect, invented by Benson Dulay, has been updated using modern plastic glasses that resemble crystal cut glass. The glasses are durable and easy to care for. Multum In Parvo literally means Much In Little. Effect The magician starts out displaying five differently sized glasses, which are lined up from smallest to largest and are all shown to be empty. The smallest glass is picked up and filled with milk from a pint size milk carton. The