Fidget spinner

A fidget spinner is a small toy.

You hold it in your hand. You flick it to make it spin. It has a center part with small metal balls. These balls help it spin very smoothly.

Many toys are made of plastic or metal. In 2017, these toys became very popular. Some people used them to help with stress.

Some schools had to ban them. This was because they could distract students. Some small parts could also be a choking hazard.

It is fun to watch them go round and round.

A fidget spinner is a small toy.

It has a center part called a ball bearing. This part has tiny metal balls inside. These balls roll to help the toy spin smoothly. Most spinners are made of plastic or metal. They have two or more weighted lobes, or arms, that spin around the center.

These toys became very popular in 2017. Some people used them to help with stress. Others used them for autism or ADHD. ADHD is a condition that affects attention. However, studies did not prove they help with focus. In fact, some research showed they might cause more distractions.

This chart shows how much people searched for them.

Schools in many countries had to ban them. Teachers said the toys disrupted the classroom. There were also safety concerns. Small parts could be a choking hazard. Some spinners used button batteries. These batteries can be dangerous if swallowed. Adults should watch children when they play with them.

A fidget spinner is a small toy that spins in your hand.

It is made of a central ball bearing and two or more weighted lobes. These lobes are arms that stick out from the middle. Most spinners are made from plastic or metal. The toy works using basic physics like angular momentum. This helps the spinner stay moving for a long time. It also uses low-friction motion to spin very smoothly.

Inside the toy, the ball bearing makes the spinning possible. This part has small metal balls that roll between two rings. When you flick a lobe, the balls roll to reduce resistance. This allows the toy to rotate around its center axis. The design also puts weight far from the middle. This increases what scientists call the moment of inertia. This helps the spinner keep its motion as it turns. As it spins, it acts like a gyroscope. This means it resists changing its position in space. Eventually, the speed slows down in a pattern called exponential decay.

Many people have worked on designs for spinning toys. In May 2016, Michael Scott McCoskery filed a patent for a toy with a central bearing. He later received a U.S. utility patent in March 2018. Another man named David Allen Pavelsky filed a design patent in 2016. His patent focused on how the three-lobed spinner looked. Some news reports incorrectly said Catherine Hettinger invented the modern spinner. She actually filed a patent in May 1993 for a spinning toy. Her design was like a finger frisbee and did not have a central bearing. Her patent lapsed in 2005 because there was not much interest in it.

Fidget spinners became a huge trend in 2017.

People bought them at stores like Amazon, 7-Eleven, and Toys "R" Us. Many of these toys were made in China. About 23% of the people buying them were millennials. Some people used them for stress relief or to help with ADHD and autism. However, scientific studies did not find that they actually helped with focus. Some research even showed that users had more trouble with memory. These studies found that the toys could act as a distraction during schoolwork.

Because they were so popular, they caused many changes in schools. Teachers in the United States, United Kingdom, and Australia reported disruptions. Many school districts had to create formal bans on the toys. There were also some important safety concerns to consider. Small parts could be a choking hazard for young children. Some spinners used button batteries that could be dangerous if swallowed. One battery-powered spinner even caught fire while it was charging. Because of these risks, experts suggest that adults should always supervise children. They also recommend that children under three years old should not use them.

A fidget spinner, also known as a hand spinner, is a mechanical fidget toy.

It consists of a central ball bearing and two or more weighted lobes. These lobes are arms that extend from the center. When a user spins the device, it rotates around a central axis. Most spinners are constructed from plastic or metal materials. These toys became a massive global trend during the year 2017. People used them for various reasons, including stress relief and managing attention-related conditions.

The mechanism of a fidget spinner relies on fundamental principles of physics. At the core is a ball bearing, which contains small metal balls. These balls roll between an inner race and an outer race. When a user flicks a lobe, the bearing allows rotation with very low friction. This rolling motion minimizes resistance during the spin. The design also places mass away from the center of the device. This increases the moment of inertia, which is a property that helps maintain rotational motion. As it rotates, the spinner behaves like a gyroscope. This means it uses angular momentum to resist changes in its orientation. Eventually, the rotation slows down following a pattern called exponential decay.

Fidget spinners generally feature different physical structures based on their design. Most common models include two-lobed or three-lobed variants. The number of lobes affects how the weight is distributed. Some specialized versions may use different materials like rubber or heavy metals. While the basic function remains the same, the visual design can vary significantly. For example, some patents focus on the functional mechanics of the bearing. Other patents focus specifically on the aesthetic or visual appearance of the lobes. These different types allow for various tactile experiences for the user.

The history of the fidget spinner involves several different inventors and patent filings. In May 2016, Michael Scott McCoskery filed a provisional patent application. His design included a centrally mounted ball bearing and specific lobe features. He developed a metal version called the "Torqbar" around 2014 while working in Seattle. He initially sold the device online to an interested community. In November 2016, David Allen Pavelsky filed a design patent for a three-lobed spinner. His patent focused on the visual look rather than the mechanical function. Some media reports incorrectly named chemical engineer Catherine Hettinger as the inventor. She had filed a patent in May 1993 for a spinning toy. However, her design resembled a "finger frisbee" and lacked the central bearing. Her patent lapsed in 2005 due to a lack of commercial interest.

In 2017, the popularity of these toys reached immense levels.

Retailers like Amazon, 7-Eleven, and Toys "R" Us reported very high sales volumes. Most of the manufacturing for these devices occurred in China. The consumer base was quite diverse across different age groups. Interestingly, 23% of all sales came from the millennial demographic. While they were marketed for ADHD, autism, and anxiety, the scientific evidence was mixed. Proponents claimed therapeutic benefits, but empirical studies did not substantiate these specific claims. The toys were a major part of the 2010s consumer culture.

Despite their popularity, fidget spinners faced significant criticism regarding their use in schools. Educators in the United States, United Kingdom, and Australia reported frequent classroom disruptions. Many school districts implemented formal bans to manage student behavior. Some studies suggested that the devices might actually hinder academic performance. Research indicated that users experienced increased attentional lapses and reduced memory performance. These effects were seen even in users who expected the toy to help them focus. Some researchers noted that the limited movement of a spinner did not provide the same benefits as general physical activity. In classroom settings, children using spinners often showed lower attention levels than their peers.

Safety concerns also emerged as the toys became widespread. Regulatory bodies like the U.S. Consumer Product Safety Commission issued warnings. One major risk involved the ingestion of small components by young children. There were also dangers associated with button batteries, which can cause internal injuries. In one reported instance, a battery-powered spinner caught fire while it was charging. Because of these risks, authorities recommend adult supervision during play. They also advise that these toys should not be used by children under the age of three. These safety issues highlight the importance of careful regulation for novelty items.