This is shortened down versiopn (trailer, i guess) of the building an epic £20000 machine series. These kinds things are never finished so keep an eye for part 4! :)

Original videos-
Part 1-    • Building an EPIC £20,000 machine part 1  
Part 2-    • Building an EPIC £20,000 machine part 2  
Part 3-    • Building a £20,000 Epic machine part 3