The Magnetic Hourglasss by Kikkerland is a contemporary take on a classic design. Filled with black magnetic sand and sits on a natural wood base built with a magnet at the center. Creates mesmerizing stalagmite formation before your eyes. Unique metallic hourglass Filled with black magnetic sand and sits on a natural wood base built with a magnet at the center Magnet causes the sand to create mesmerizing stalagmite formations before your very eyes 1-minute timer for sand to fall Warning: this product contains small magnets Do not place hourglass on magnetic base when bottom is full Do not use the product if damage is detected Beechwood/glass/powdered iron/magnet Measures 2.8" L x 2.8" W x 6.5" H