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Floating & Spining Magnet Demonstration
Créé: 2018-10-20 / Modifié: 2018-10-20
Floating & Spining Magnet Demonstration
Ref:
PHM-S206
Prix:
US$7.20
Country of origin:
Chine
Description
This clever little device is awesome! The magnet floats in a cradle, and can be spun. Because there is only the friction of air, the spinning motion will last a very long time. This is a wonderful demonstration item. Don't miss it!