Seagull Boomerang 40 KitDescription For some, individuality and a deep sense of satisfaction are what counts and in this respect many desire a trainer that they can build, cover, and decorate themselves and one that, as a result, stands out from the crowd. If this sounds like you then Seagulls Boomerang 40 is simply perfect. Traditional in the true sense, the Boomerang 40 is a classic design in a time honoured size, supplied in kit form, offering all the unique benefits