YEARS ago, when our kids were younger, my brother-in-law and his family had a holiday party with friends and family.
We made "coffee-can" ice cream. I don't remember all the ingredients, I believe we used cream, vanilla, eggs, and probably something else. I know we had 3 smaller coffee cans (maybe medium-sized?) and 3 large coffee cans. The ingredients went into the smaller can with strawberries in one can and some chocolate syrup to another. These were sealed and placed inside the larger can. This was then surrounded by crushed ice and rock salt and was also sealed.
His house was on an incline and we split the families up into 3 teams. Each team would take their cans to the top of the incline where a "launcher" would roll the can to the "catcher" at the bottom of the slope. The catcher would carry the coffee can back to the top, the launcher would race down to become the new catcher, the next team member would be the new launcher. This went on for.. I don't remember how long, but it was great fun and at the end, we opened the can's to enjoy the cold, delicious frozen treat!