Fart sound generator with light sensor and four foot cord.
Hide the sensor in a dark area, such as under the toilet lid, inside a cabinet, in a drawer, or in a dark room.
When light hits the sensor, fart sounds are triggered.

This is a clever hidden fart trick favored by those who practice advanced prankster arts. The Fart-O-Matic consists of a sound generator and a light sensor switch, separated by a four foot long wire. The light sensor switch can be placed in a dark cabinet, drawer, toilet bowl, etc. When light hits the switch, fart sounds ensue, which can be very perplexing to the victim.

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