Geochron

The Amazing Geochron! It comes as an amazing mechanical version, with over 300 moving parts in a stunning display that will keep your attention for hours! Or, the 4K version that offers satellite tracking and grayline propagation for Ham radio hobbyists, The 4K also has a stunning weather display that allows you to watch weather systems all over the world! It's an amazing device. And best of all? It's US made! about 90% of the parts come from within 50 miles of the Geochron Factory in Northwest Oregon!