Magnetic Sand Timer Historical Combining the finest Greenman tools

Combining the finest Greenman tools designed with the exceptional heritage and quality of Haws since 1886

Special Features Hinged-lid keepsake box with foil stamping

very good hunters

and Nychos

Magnetic Sand Timer Historical Combining the finest Greenman toolsAges 14+ Mesmerizing and fun to watch, the Magnetic Sand Timer uses the power of magnetism to sculpt iron filings into a hemisphere of craggy spikes. How does it work? The magnet in the base has a magnetic field that attracts the iron filings. Iron is a ferrous element, meaning it has atoms with unpaired electrons spinning in one direction. These electrons encourage nearby iron atoms to align and spin in the same direction. In this way, the more atoms