[1] The second method of distribution is to include the prize in the box itself, usually outside the liner bag—often called an "in-pack promotion" in retail marketing.
The marketing strategy that he established has produced thousands of different cereal box prizes that have been distributed by the tens of billions.
The Funny Jungleland Moving Pictures Book was given to customers in the stores by merchants at the time of purchase of two packages of Kellogg's Corn Flakes.
The invention of a screw injection molding machine by American inventor James Watson Hendry in 1946 changed the world of cereal box prizes.
Hendry also developed the first gas-assisted injection molding process in the 1970s, which permitted the production of complex, hollow prizes that cooled quickly.
This greatly improved design flexibility as well as the strength and finish of manufactured parts while reducing production time, cost, weight, and waste.