For those of you who doubt your eyes, come play a game! Our Phantom Windmill is an "honest little trickster"—it blatantly draws in the air, yet you willingly fall for it. Its operation is unbelievably simple: press a button, and the windmill spins; adjust the speed, and the light and shadow change. Then you'll witness an incredible sight—what are clearly just a few LED strips rotating create complete 3D patterns in the air! These light and shadow effects seem to be under a spell, freely unfolding and changing shapes in the air. This is actually due to the principle of visual persistence: when the LEDs rotate at a specific frequency, your eyes' "buffer" can't keep up, so you perceive the continuous light points as a complete image. The most interesting part is that you can see the pattern change by adjusting the rotation speed—the pattern is clear when it spins fast, and dreamlike when it spins slowly. If you want this "visual magic" to better match your venue's theme—such as a custo
