Tutorial: DIY "magic" surface speaker (transducer)

This is a tutorial on how to make a basic surface speaker often referred to as "magic" speakers. This is a device that turns anything you touch to it, into a speaker. With only a few basic items, you can make one too. Hope this video was helpful, experiment further yourself with new methods to see what works best.
Music credit: DivKid (various) and Alan Walker ("faded")