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Magnetic Sand Hourglass
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- Magnetic Sand Hourglass
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- Magnetism
- Magnetic Sand Hourglass
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- Magnetic Sand Hourglass
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- Magnetic Sand Hourglass
Magnetic Sand Hourglass
$11.00
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Product Description
Instead of sand, the Magnetic Sand Timer is filled with black iron filings. Set the device on its stand and watch the metal grains arrange themselves .