Which product holds the Guinness World Record for the largest consumer product recall in history by number of units?

Product recalls are typically viewed as corporate setbacks, but some have been so massive they've actually set world records. These unprecedented recall events have transformed industry safety standards, impacted global supply chains, and cost companies billions. Test your knowledge about these infamous product safety incidents that made it into the record books not for innovation, but for their extraordinary scale and impact.

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Takata airbags (100+ million vehicles)
Samsung Galaxy Note 7 smartphones (2.5 million units)
Tylenol bottles after the 1982 tampering incident (31 million bottles)
Fisher-Price Rock 'n Play Sleepers (4.7 million units)