Topps did some interesting cross-marketing over the years, which was often quite innovative, such as when they contracted with the Barker Greeting Card Company of Cincinnati to affix their penny packs of Varsity, Hocus Focus (which today we call Magic Photo) and the like to Christmas and Birthday cards in the late 1940's. You could also look to the Doeskin Tissues tie-in with Wings and Rails & Sails or the Red Ball Jets packs that contained even more of the fabulously over-produced Wings cards. However, on occasion Topps allowed for some cross-marketing the other way, i.e. with an outside product getting inside a pack of Topps or Bazooka. One very early example of this was a circa 1951 tie-in with Post Cereal's Krinkles.
I'm reasonably sure this image, provided by BFF o'the Archive Jeff Shepherd, came inside a pack of Topps cards, as opposed to a nickel roll of bubble gum but don't quote me on that:
You may recognize St. Paul as a Topps premium fulfillment provider address from around 1965 to 1973 or so; it was a third party concern though, Topps had no ownership. It sure seems possible the same firm handled these little gadget-y premiums.
That murky little illustration of the cereal box was pretty spot-on:
All those premium images were nicked from Hake's Auctions by the way, man that rocket must have been about the size of a golf tee!