3 ms·Huh. I guess that you could do the dry ice and water thing, but avoiding explosions could be dicey.by mirimir 7y agoHuh. I guess that you could do the dry ice and water thing, but avoiding explosions could be dicey.close04 7y agoI don't think dry ice was anywhere within reach at the time, or even in my vocabulary :).mirimir 7y agoYeah. I'm lots older, I think. When I was a child, we got ice cream packed in dry ice. Because most people didn't have freezers.