Dancepants Kinetic Music Player designed by Lithuanian designers Inesa Malafej and Arunas Sukarevicius. It is a brilliant and simple concept, using kinetic energy to generate the power for MP3 player while you running and dancing. The kinetic module is attached at the pants leg with a connection running along the leg up to a pocket where the MP3 player is connected. "it is a 100% interactive way to feel the value of energy on your own . During the movement of feet, kinetic energy is collected to play music. The inverse dynamism of "Dancepants" motivates you to move your feet in order to hear your beloved music. And as long as you keep running or dancing you can be sure you won’t run out of battery. "