Which famous toy company manufactured military compasses and aircraft parts during WWII, significantly aiding the Allied war effort before returning to children's products?

Throughout military history, many companies have pivoted their civilian product lines to support wartime efforts, sometimes transforming their entire business model. Some of these pivots resulted in iconic military equipment that shaped the outcome of major conflicts. This poll tests your knowledge of famous product transformations during wartime manufacturing shifts.

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Mattel
Fisher-Price
LEGO
Hasbro