Our Gray Ghost® Headphones have been custom designed specifically for metal detector users

Fisher F19 10" DD Search Coil

8” Coil Options

and impact damage with the Garrett 10" x 14" Elliptical Search Coil Cover

including records from the National Archives

Be Your Own Rock and Mineral Expert Made in the U.S.A. Our Gray Ghost® Headphones haveA collection of hands on experiments and activities using rocks and minerals. Topics discussed include: the Earth's crust and core; geological time scale; make your own clinometer; taking samples; collecting fossils; classifying, arranging and displaying samples; and looking at crystals.