Magnetic Cylindrical Ferrofluid In A Bottle Brain Teasing Wooden Puzzles Place the bowling bottles onto

Place the bowling bottles onto the corresponding holes in the wooden channel

Charging time: 6 - 8 hours

The three-dimensional modeling is not easy to deformation

8" Diameter in Roughly 1 Second

Magnetic Cylindrical Ferrofluid In A Bottle Brain Teasing Wooden Puzzles Place the bowling bottles ontoFerrofluid 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