Okay, let me try to explain it to you as if you were five!
So, have you ever flown a kite? When the wind blows over the kite, it makes it float in the air, right? Well, that's kind of how a windbelt works too!
A windbelt is a thin strip of material that is made to vibrate when it's hit by wind. When the wind vibrates the windbelt, it creates movement that can be turned into electrical energy.
It's a bit like when you shake a tambourine and it makes noise - the windbelt moves back and forth and creates energy that can be collected and used to do things like light up a light bulb or charge a phone.
The cool thing about windbelts is that they can be really small and flexible, so they can be used in all kinds of places where it's difficult to use big wind turbines. Plus, they don't create any pollution, which is great for the planet!
So, there you have it - a windbelt is kind of like a really flexible, small wind turbine that makes energy by vibrating in the wind. Cool, right?