Mobile robot Elisa-3 can is magnetic and can therefore move on vertical metalic surfaces. Will you be able to control a swarm of them ?
There are 3 products.
The Elisa-3 Mobile Robot from GCTronic is a small-sized autonomous robot (5cm diameter) perfectly suited for swarm and collective robotics. It features many sensors, 2 magnetic wheels for vertical motion, and it can be remotely controlled thanks to its radio base-station.