Also known as "Magic Pendulum", but we know it is not magic! Combines the basics of magnetism with the Law of Conservation of Energy.  Contains seven powerful ceramic magnets that may be used alone for introductory magnetism experiments or with the pendulum. Ask students to compare the motions of the Magnetic Pendulum with the Revolving Cosmos - why doesn't the Magnetic Pendulum go on forever?  A must-have for your physics toolbox!   Max base width: 5.75 in. Height: 9 in.