How to build a £200-£300 gaming pc (parts)?

I know this may sound cheap, but i was wondering if you guys could help me look for budget parts or design a cheap gaming pc (low end gaming). I've seen lots of videos on youtube, on how people build cheap pc's for about 350 dollars, and much less, i want to build a low end affordable gaming pc that can run common games like minecraft and old pc games, i'm sure £250 should cover it