Dear light and shadow explorers, are you ready to witness a visual magic show without glasses? Our Phantom Windmill is about to present you with the coolest naked-eye 3D show! Simply press the start button, and this magical device will begin to rotate—and then, magic happens! High-speed rotating LED strips will "draw" lifelike 3D patterns in the air. Light and shadow dance in the air, sometimes fluttering like butterflies, sometimes flowing like stars. You can also adjust the rotation speed by adjusting the knob to see different rhythms of light and shadow changes. This is actually a trick based on the principle of "persistence of vision": when an object moves quickly, the human eye retains an image for about 0.1 seconds. The clever LEDs use this instant to "draw" continuous patterns in the air. Watching the light and shadow realistically float and rotate before your eyes, you'll be tempted to reach out and touch it—of course, you'll touch the air, but the awe is real! If you want t
