Mar 09, 2005 — With winter still in full swing, it's not too late for new ways to enjoy the snow. A Potsdam man is on a mission to spread the word on a foolproof method for building an igloo for children. Miles Manchester's design uses three inflatable tubes and takes an hour and a half to complete. He even posted step-by-step instructions on a website. Manchester told David Sommerstein his is easier to make than a traditional snow block igloo.