A grandad dubbed 'Dr Pinball' says the retro games are becoming so popular that he has a four-and-a-half-year waiting list to fix them.<br /><br />Mark Squires, 64, founded The Pinball Surgery where he repairs, renovates and services the retro games and said many are returning to play to "relive their youth".<br /><br />His business has become so popular he has fixed more than 500 machines and owned around 180 himself.<br /><br />Mr Squires, from Swavesey, Cambs, fell in love with pinball while working as an electronics apprentice after he left school and has worked on them ever since.<br /><br />The retiree who used to work in marketing and communications said: "When you're an apprentice, they give you a brown coat.
