Here is another trippy toy that puts on a dazzling light show as soon as you turn it on. This Persistence of Vision Double Fan has 5 LEDs that flicker at different speeds to give the illusion of streams of light instead of individual dots.
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Trippy Persistence of Vision Double Fan 😵
When the device is turned on, it displays lights in red, green, yellow, and blue. You can give the blades an extra spin to further experiment with this toy.
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