Science Sunday · Focus & Attention
You bought the fidget. Maybe it's the squishy dumpling half the class seems to have. Then the teacher sent it home in the school bag. Or homework started taking twice as long, because the fidget became the homework.
Six weeks into term, this story is common. And it's confusing, because research shows fidgeting can support focus, and that some fidgets do the opposite. What separates them comes down to one simple question about how the tool is used.
What the research actually found?
A team at Florida International University gave fidget spinners to young children with ADHD (around 5 years old) during a structured classroom programme. With spinners in hand, the children's attention lapses roughly doubled, and the effect showed up again when the test was repeated weeks later (Graziano et al., 2020).
Adults weren't immune. University students who used a spinner during a 15-minute video lecture remembered less of it and reported more zoning out. That held even for students who believed spinners help them focus (Soares & Storm, 2020).
Now the other side. Fourth- and fifth-graders with attention difficulties completed more maths problems when they could handle a tactile object, and their excess movement dropped (Kercood et al., 2007). And in a small classroom study where the rules were taught first, spinners came with large gains in on-task behaviour (Aspiranti & Hulac, 2022).
Honest note: these are small studies, most of them with children who have attention difficulties. Read them as signposts, not verdicts. Together they point to one thing: what matters is how the fidget is designed and used, more than whether there is one.
Why one fidget helps and another competes?
A focus tool has one job: give the hands (or the mouth) steady sensory input, so the brain can stay with the task.
In attention research, two tasks interfere most when they draw on the same resources, such as the eyes or active thinking (Wickens, 2008). A lesson needs both. A spinner's fast motion and fingertip tricks ask for both too. A firm squeeze under the desk asks for neither. That's the most likely reason the results split. The spinner studies didn't track where children looked, so read this as the best available explanation, not a proven mechanism.
The eyes-closed test: can your child use it with eyes closed while answering a question out loud? If yes, it's working in the background.
Three signs a fidget has moved from background to main event:
- It needs eyes. Spinning, lights, glitter you watch settle.
- It has a goal. Land the trick, finish the round, beat the time. A goal turns input into a game.
- It keeps changing. The best focus input is a little boring: same squeeze, same texture, every time.
What about squishies and squishy dumplings?
2026 has been the year of the squishy: dumplings in tiny steamer baskets, gel-filled NeeDohs, slow-rise foam. A US industry analyst told NPR that squishy sales grew 279% between January and the summer (NPR Planet Money, 2026). Closer to home, malls in Kuwait now host squishy trading events (Kuwait Times, 2026).
Most are bought for the thrill of the chase: blind packaging, rare colours, limited drops. A former executive of the company behind the viral dumpling summed it up in three words: "It's the experience." That pleasure is real. It's simply a different job from helping a child focus.
So run the same test. A squishy squeezed under the desk, eyes on the page, can pass: that's steady tactile input. A squishy that gets watched as it slowly rises, compared with a friend's, or swapped mid-lesson has become the main event. Same object, different job. Satisfying and regulating sometimes overlap. For work time, choose for the second.
Safety check before you buy: in June 2026, the UK's Office for Product Safety and Standards recalled a batch of squishy dumplings after tests found excess benzene in the outer layer (GOV.UK recall). Burns specialists in Glasgow have also treated children hurt after microwaving squishies to soften them, because the gel can burst out hot (report). Never heat a squishy. Buy from sellers that show clear manufacturer details, and skip anything with a strong chemical smell, a sticky surface or a leak.
How it shows up at home and in class
Watch your child's eyes during homework. If they keep dropping to their hands, the fidget is taking a share of attention. Same if it comes out before the work does.
Tools that pass the test tend to live where the work already is. A chewable pen topper sits on the pencil they're already holding, so the mouth gets input while the hands and eyes stay on the page. A chewable pendant gives oral motor input with no hands needed at all.
What helps
1. Run the test tonight with the fidgets you already have. Keep the ones that pass for work time.
2. Match the tool to the task. Reading, writing and screens keep the eyes busy, so pair them with eyes-free input: a squeeze ball under the desk, a pen topper, a chewable pendant.
3. Keep the showy ones for breaks. Watching glitter settle or a squishy slowly rise can be a lovely two-minute reset between tasks. During tasks, choose texture over spectacle.
4. Agree on the rules first. In the study where spinners helped, the rules were explained and demonstrated before children used them. Try: "It stays in your hand or under the desk. Eyes stay on the work." (More on this in How to Use a Sensory Tool So It Actually Works.)
The best fidget is the one nobody notices
A focus tool earns its place by disappearing. When it works, the teacher doesn't see it, you don't hear about it, and your child barely registers it. They just get through the page. So choose the one that can be felt, not watched.
Science-designed tools that work with eyes closed.
Explore the squeeze collection →References
Aspiranti, K. B., & Hulac, D. M. (2022). Using fidget spinners to improve on-task classroom behavior for students with ADHD. Behavior Analysis in Practice, 15(2), 454–465.
Graziano, P. A., Garcia, A. M., & Landis, T. D. (2020). To fidget or not to fidget, that is the question: A systematic classroom evaluation of fidget spinners among young children with ADHD. Journal of Attention Disorders, 24(1), 163–171.
Kercood, S., Grskovic, J. A., Lee, D. L., & Emmert, S. (2007). The effects of fine motor movement and tactile stimulation on the math problem solving of students with attention problems. Journal of Behavioral Education, 16(4), 303–310.
Soares, J. S., & Storm, B. C. (2020). Putting a negative spin on it: Using a fidget spinner can impair memory for a video lecture. Applied Cognitive Psychology, 34(1), 277–284.
Wickens, C. D. (2008). Multiple resources and mental workload. Human Factors, 50(3), 449–455.