Which mathematical product's packaging innovation in the 1980s featured a distinctive geometric container that doubled as a teaching tool, significantly boosting its retail sales?

Mathematical tools and educational products have evolved significantly over the years, with packaging that reflects both mathematical concepts and marketing innovation. This trivia tests your knowledge about a groundbreaking packaging design that revolutionized how a classic mathematical learning tool was presented and marketed to consumers, making mathematics more accessible and appealing.

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Rubik's Cube's transparent display case showing the solved state
Texas Instruments calculator's sliding drawer packaging with formula cards
Geometric compass sets in cases that transformed into protractors
Mathematical flash cards in pyramid-shaped containers that sorted by difficulty