A wacky father and son have spent thousands of pounds amassing the world's largest collection - of SMURFS. <br /><br />Robin White, 62, and son Chris, 29, have scoured the country over the past four years buying the little blue creatures at car boot sales. <br /><br />The pair started the project as a way of tackling Chris' attention deficits hyperactively disorder - but since then it has become an obsession.
