Magnetic Cylindrical Ferrofluid In A Bottle Wooden Puzzles the size is 15

the size is 15

Way 1: Right angle installation

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Magnetic Cylindrical Ferrofluid In A Bottle Wooden Puzzles the size is 15Ferrofluid is the astonishing liquid that becomes highly magnetized in the presence of a magnetic field. Comprised of nano scale magnetic particles suspended in a transparent liquid, undisturbed ferrofluid forms into a smooth pool. But when a magnet is brought close, ferrofluid reacts in strange and fascinating ways. With Ferrofluid in a Bottle, you can safely and easily play with this spectacular substance. Using the included neodymium magnet(s), you