your best bet.~.my northern mullet loving friend~. would be to get some crates or plastic tubs..like 2' by 2' ~oh yeah you do the metric systym~..well i am sure you can google the metric conversion.~.my little eskimo amigo~ fill the containers with slush..~snow and water~ and let them sit over night.... this will be needed unless you have 5' of snow you can saw out chunks of.....anyway in the morning~after you check your ice fishing holes~ start cutting your snow blocks out of there molds and stack them like an igloo..~ like your forefathers did..and current residents of saskatchewan~ once you stack enough for your igloo dome shape with your trusty boyscout pack saw ...for the fine detail....then use ice slush for mortor......now go inside and hybernate and wish your ass lived in america....