I recently acquired FOUR Submarine Sandwich sets, all on the card, courtesy of a nice lady who found them at a Goodwill of all places. Now we can get a closer look at a Series 3 set in its original packaging, and the goofy comic that accompanied it.
Best of all, one of them still works! Here are the sounds this set came with:
This was an awesome find and I hope to find more carded sets in the future. Wishful thinking, I know.