Igloos are cool. What kid hasn't wanted to build an igloo? You can easily build an milk jug igloo in your classroom with some planning, lots of milk jugs and hot glue. This could be a fun winter craft for the kids when it's too cold to go out.
ICE THEME Dinosaur eggs ready to be hatched, the children loved this activity (small world dinosaurs, frozen overnight in coloured water in a balloon) they used tools and salt to hatch the Dino babies EYFS