Helium K Launches Firefly Fidget Spinner With LED LightsJune 14, 2017
The spinners use high grade Silicon Nitride (Si3N4) Hybrid ceramic precision bearings. The LED are powered by 3 CR 1220 batteries. They come with a protective carrying case.
The fidget spinners cost $15.95 and can be found on Amazon.com. Here is a video of the spinner in action:
Helium K also makes the Frost Giant fidget spinners.
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