Fidget spinner
spinning toy
A fidget spinner or hand spinner is a fidget toy composed of a central ball bearing and two or more weighted lobes that rotate around the central axis when spun. Typically made of plastic or metal, the toy operates on basic mechanical principles such as angular momentum and low-friction motion, allowing it to spin smoothly and for extended periods. The toy rose to widespread popularity in 2017, and was marketed as a variety of uses, including stress relief and support for individuals with attention-related conditions. Although some proponents claimed therapeutic benefits for conditions such as attention deficit hyperactivity disorder (ADHD) and autism, empirical studies have not substantiated these claims. Reception was mixed, with reports of both positive user experiences and criticism regarding classroom disruptions and safety concerns.
Structure and physics
Fidget spinners are typically made of rubber or metal, with a central ball bearing and several prongs extending outward. The ball bearing consists of small metal balls that roll between an inner and outer race, allowing the spinner to rotate smoothly around its axis. When a prong is flicked, the spinner rotates around the bearing with minimal resistance due to the rolling motion of the balls inside the bearing.
The design also distributes mass away from the center, increasing the moment of inertia, which helps maintain rotational motion. As the spinner rotates, it behaves like a gyroscope, resisting changes to its orientation due to angular momentum.
“Fidget spinner” enters the record as spinning toy. Crown Archives preserves that source wording while asking what Fidget, spinner and spinning can confirm, complicate or overturn.
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“Fidget spinner” is worth following because a concise public description often conceals a longer documentary argument. Here, Fidget, spinner and spinning provides the most credible route into that argument.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q29279406. The Library of Congress control number is sh2017003711. 2 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 2017.
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This entry incorporates text from “Fidget spinner” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.