All 400 Slinkies sold within 90 minutes of him doing this.
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3
The company expanded greatly under her leadership and
to date has sold over 300 million Slinkies.
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4
After making about 400 Slinkies, funded off a loan,
and convincing a store to display them at Christmas, not a single one sold.
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5
Notable among these were U.S. troops in Vietnam using the Slinky as mobile radio antennas and
NASA later using Slinkies in certain zero-gravity experiments.