Video: engineers on their day off part 2

A couple of months ago we showed you what those crazy cats at Dyson get up to after hours. Since their unprecedented success at building go-karts, they've now channeled their brainpower into the world of remote-controlled cars. 
 
The vid below shows you what happens when brainy people who engineer bagless vacuum cleaners that work on the principle of cyclonic separation (and magic) can do with a couple of spare parts.
 
It's like Robot Wars for OCDists. We think James would be impressed. Are you?