Devon retailer, Dartington Trading will be hosting a Miffy-themed Birthday Party having triumphed in Rainbow Designs' Miffy display competition.Rainbow Designs created the initiative to coincide with Miffy's milestone 60th anniversary this year, as well as the launch of a new Miffy TV show on Tinypop.Independent retailers who create a Miffy-themed window or in-store display were given the opportunity to enter Rainbow Designs' competition and stand a chance of winning £500 worth of Miffy products and books, as well as a Miffy birthday party, complete with a visit from the famed character itself.Sharon Willcocks, owner of dartington trading, said: "Here at Dartington we are delighted to have been selected as the winner of Rainbow's window competition and look forward to hosting a very special Miffy party."