Cool Personalized Gifts:The great value magnetic hourglass can make a beautiful Christmas gift for your family and friends, as well as a Christmas gift for the beach. Specification:Wonderful visual sandglass timer' Sand is replaced with magnetic iron filings that form interesting, artistic patterns to aid in teaching about magnetism and magnetic fields. SIZE:6" x 2.3" x 2.3",wooden base: 3" x 3" x 0.7".