What is hand buzzers?

Hand buzzers, also known as hand shakers, are small devices that produce a buzzing or vibrating sensation when held in the palm of the hand. They typically consist of a plastic or metal casing with a spring-loaded mechanism inside that creates the vibrating effect.

Hand buzzers have been used for decades as novelty toys or prank devices, often employed to startle or surprise unsuspecting individuals. They are commonly sold at magic shops or novelty stores, and are often associated with pranksters and practical jokers.

Aside from their use as practical jokes, hand buzzers are sometimes used in theatrical or performance settings to create sound effects or add a comic element to a show. They can also be used in therapeutic or sensory play, providing a tactile or stimulating sensation for individuals with sensory processing issues.