This $14, 100-second hourglass is filled with magnetized iron filings that form beautiful fans and other shapes as the sand drains into the bottom bulb. ( via Canopy )
Hourglass full of magnetized "sand"
This $14, 100-second hourglass is filled with magnetized iron filings that form beautiful fans and other shapes as the sand drains into the bottom bulb. ( via Canopy )