Combat Robotics is a sport that involves builders using all aspects of STEM to build robots that are capable of combat with one another. The goal is simple: in a match that lasts less than three minutes, disable your opponent through a knockout or by judge's decision. Robots can range from as light as 150 gram "fairyweights" to 340 pound "superheavyweights". I became interested after being introduced to the TV show "Battlebots" by my dad during my freshman year of high school.
An early driving test of Tombclone, without panelling or a blade. It's zippy!
Here's an example of a combat robot match from the TV show "BattleBots". Each of the two robots you see weigh 250 pounds.