1. SOLAR POWERED ROTATION DESIGN This Crookes radiometer harnesses solar energy to rotate its rotor blades. Simply place it in sunlight or under a 100W incandescent bulb, and the rotor blades will begin to spin. Once the light is removed, the movement stops, offering a captivating demonstration of solar energy in action. 2. EDUCATIONAL TOOL This decorative windmill is a valuable tool for exploring electromagnetic waves and light pressure. It sparks curiosity in science enthusiasts of all ages. 3. ELEGANT GLASS CONSTRUCTION The entire structure is crafted from glass with a nearly airtight interior. Its sophisticated design, featuring a 75mm globe diameter and a 65mm base, ensures it blends seamlessly on any desk, windowsill, or shelf. The clear glass body adds an elegant touch to any space. 4. IDEAL FOR HOME AND OFFICE This solarpowered windmill is the accent for any room. Place it on your desk, in the living room, bedroom, or study to infuse your surroundings with a touch of modern science and beauty. The rotating blades create a mesmerizing effect in any welllit environment.