https://www.youtube.com/watch?v=ZX34d7zC9SQ&feature=youtu.be
it is a renewable energy device using a spring on a motor
here is how it is made
http://www.yankodesign.com/2011/02/01/s … tor-energy
It is a maxon geared motor on a spring
it makes renewable energy anywhere
kick start it go make some money for yourself
