Startup Stories is a series of short documentaries about TechStars companies, hosted exclusively by The Next Web.

This time, it’s the tale of Romotive, the San Francisco-based startup that can turn your iPhone into a robot. From a simple prototype, via a successful crowdfunding campaign and makeshift assembly line to a $5 million Series-A funding round and 19 employees, this is their journey so far.

When you’ve finished watching this, make sure you catch up with Startup Stories episode 1: Sendgridepisode 2: Cloudabilityepisode 3: Everlater and episode 4: Zagster.