Inventor develops a bizarre four-legged robot that allows snakes to 'walk'

An eccentric inventor has created a bizarre four-legged robot that allows snakes to'walk'. Allen Pan, a Los Angeles-based engineer and YouTuber, created the device out of a long tube and four plastic legs connected to a controller board. Footage shows a snake curiously poking its head out the end of the device as it's serenely transported around the room. Pan, who posted a video blog of his project to YouTube, said he wanted to'give snakes back their legs'. Around 150 million years ago, snakes had visible legs, but they evolved to lose them, thought to be due to a genetic mutation.