Bozo was a little difficult to operate as he was limited to moving his mouth only -- this was done through the use of a string coming out the back of his neck. Simon Sez was operated through a hole in his back which could be used to move not only his mouth, but his neck as well. While Bozo wasn't the most kid-friendly doll on the market, he did come with a floppy instructional record to be used in learning the basics of ventriloquism.
Surprisingly, this record is still a part of my record collection today and I was amazed to find that it plays through in its entirety -- completely free of skips.
Even the orginal boxes are intact -- at least the Bozo box is. The Simon Sez box has seen better days as it was used on multiple occasions as a fighting ground for my brother's He-Man figures.
Regardless, as an adult I have learned the value of a dollar. As I look back at the catalog listing for these dolls and realize that my parents dropped over 40 bucks on them, I appreciate this gift more than ever.