We had buckets with ice cubes and water which we put in the freezer overnight and took them out today to do the blubber challenge. They were frozen solid so we added boiled water to defrost and we ended up with blocks of floating ice which were almost icebergs. Tomorrow we are going to attempt to make an iceberg out of styrofoam packing material. Will send you results. (not enough hours in the day!) Wednesday too much of a rush to get video in.