These glowing balls are useful in a couple different ways. First and foremost, they can supposedly provide a zen atmosphere and act as a calming device. Secondly, and debatably more important, they allow me to make all of the "ball" puns that I could handle. The AIL-B120 and AIL-B130 will glow different colors depending on the ambient noises in the room. These balls are manufactured by ELPH, the Japanese company, and will likely never be hitting the North American shores. Doesn't matter, I think Americans have the ball situation under control.
The dancing LED balloons... [Akihabara]