"We've produced some handy dandy guides to the mandatory safety requirements for new and old roboteers alike. Safety THEN Smashy!"
— Official description for the first video
How to Build a Robot is an online-only series of safety videos uploaded by the official Robot Wars Facebook page. These videos, made available around the time of Series 9's initial broadcast, discuss various safety precautions and equipment used for robots competing on the show, including removable links, locking bars and regulations on pneumatic and hydraulic mechanisms. The information is delivered by James Cooper, Robot Wars crewmember and part-owner of Robo Challenge.
Terrorhurtz makes a prominent appearance in most installments of How to Build a Robot, as the robot demonstrating the rules and safety equipment being discussed. Expulsion, Draven and Crank-E also appear in the opening and end titles of each video, each undergoing various stages of repairs, assembly or testing.
Discusses both low- and full-pressure pneumatics systems, as well as different types of CO2 bottles (fire extinguishers, paintball bottles), pressure relief valves and dump valves. Advice on custom pneumatics systems and how to deal with damaged bottles is also given, as well as an explanation of the pneumatics system for Terrorhurtz's axe.