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Material: borosilicate glass， iron， wooden base
Dimensions: Height 15cm， diameter 6cm
Tip: Due to strong magnetic magnet pieces， the hourglass Ask magnet close to the glass bulb from the edge of the chassis， do not go down vertically， or due to the magnetic attraction is too big， too fast， crashed through the glass， to be handled with care
Yesterday genuine magnet hourglass hourglass will bloom iron， iron is iron hourglass instead of sand， a magnet underpinning bottom of the product， the base built a strong magnet， hourglass sand to iron the system， due to the magnetic field the role of iron present in the process of falling on a magnetic particle motion path， flowing situation will be different every time， and this course seems to us like a flower blooming .......