Hummingbirds symbolize love joy peace happiness and beauty. They are thought of as messengers of time as they can hover in one spot fly backwards or fly forward. They are the only birds able to fly backwards. Their wings move in a unique infinity pattern thus they also symbolize eternity. Each ball is handmade. The chimes are welded inside the ball and a small ball is placed inside with it. When the baoding balls are rotated the internal ball will ring the chime. Since this is a handmade item the tones of the chimes can vary from one another.