Which famous American toy company received a U.S. Navy contract during WWII and created special military-themed products that became collector's items after the war?

During and after World War II, various companies created special product partnerships and marketing campaigns tied to the war effort. Some of these collaborations between military institutions and private companies created iconic collectibles that remain valuable today. This poll tests your knowledge of the intersection between military history and retail product partnerships that emerged from this pivotal historical period.

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Mattel, which produced die-cast military vehicles with accurate insignia
Lionel Corporation, which manufactured navigation devices and training materials for naval operations
Parker Brothers, which designed portable versions of board games for troops overseas
Fisher-Price, which created educational toys explaining military roles to children on the home front