Timer Hourglass

1 Minute Timer. Materials:glass,magnetic,and iron filings.Dimensions (hourglass):5.7 inch high x 2.3 inch diameter;Sand is replaced with magnetic iron filings that form interesting, artistic patterns.Includes magnetic stand that hold the glass vile in place.Watching time fly has never been so interesting!The craggy configurations of the iron filings eventually build into an ordered hemisphere with a spiky surface.The price for over 5000pcs is for sea shipment.