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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
8" Diameter in Roughly 1 Second
Place the bowling bottles onto the corresponding holes in the wooden channel
improve dexterity
Charging time: 6 - 8 hours
and the back features a playful raindrop typography graphic
Magnetic Cylindrical Ferrofluid In A Bottle Brain Teasing Wooden Puzzles 8" Diameter in Roughly 1Ferrofluid 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