GAN 13 Maglev, Gan Cube 3x3, Magic Cube, Magnetic Speed Cube, 3 by 3 Puzzle Toy for Kids AdultsFeatures: GAN 12 Maglev: GAN 12 Maglev comes with the newly Magnetic GES and weight in 66g. Come with the Enhanced Core Positioning 2. 0 to reinforce magnet strength, reduce friction and increase stability at the same time INNOVATIVE MAGNETIC GES: GAN12 Maglev uses two repelling magnets to replace the traditional springs but emulate spring feeling. When the cube turns, the repulsion of magnets makes the cubes center travel always at a certain distance