18. Honeycomb Digital Watch
Year of Giveaway: 1980
Est. Value Today: $25 (used)*
Honeycomb cereal has been around since 1965 and is a sweet, crunchy cereal in the shape of a honeycomb. The Post cereal has tried many flavor variations over the years but always returns back to the original honey-flavored snack.
Honeycomb Digital Watch @davehuey847 / Pinterest.com
In 1980, they came out with a promotion where customers would get a free, fully functional digital watch with the purchase of a box of cereal. How they didn’t lose money with this promotion is still to be determined, but you could stand to gain money if you held onto this unusual prize.