Famous Monsters, on a few occasions, lent it's name to some monster products. I'm not sure how much input Warren's company had in the creation of these items, other than the endorsement?
Issue #28 (1964) had the first appearance of the FM Speaks LP. The ad was obviously generated by AA Records.
Another great looking ad (from the mfg) for the ultra rare Famous Monsters Photo Printing Set. Love the box graphics and the happy kid who got one of these! Later ads showed the box contents, but I like this one best. From FM #35 (1965).