Magnetic Hour GlassCreates awesome stalagmite formations before your very eyes! 1 minute timer. Step away from the chaos for less than a minute with this mesmerizing twist on the hourglass. Filled with iron filings instead of sand, the Magnetic Hourglass has a rare earth magnet in its base which inexorably draws the filings toward it. SPECIFICATIONS: Material: Glass + Wood Hourglass: 60 * 145mm 2. 36"*5. 71" Base: 80 * 80 * 19mm 3. 15"*3. 15"*0. 75" Package Weight: 193g